### gas oil ratio formula

It has units of scf/STB. There are 128 oz in 1 US Gallon. Personally, and I think other really intelligent people agree that it makes sense to mix a gallon of gas at say 20:1, 32:1 and 40:1 and test it … Fuel storage should never exceed three months. The gas/oil ratio (GOR) is the ratio of the volume of gas that comes out of solution, to the volume of oil at standard conditions. Let’s solve an example; The produced gas-oil ratio (GOR) at any particular time is the ratio of the standard cubic feet of total gas being produced at any time to the stock-tank barrels of oil being produced at that same instant. It is represented as standard cubic feet per stock tank barrel (scf/stb). The same goes for oil. For 5 gallons of gas, with a 32:1 ratio, the amount of oil required is 20 US ounces (156.25 ml), 4 ounces per gallon of gas (31.25 ml per liter). A It is represented as standard cubic feet per stock tank barrel (scf/stb). Vasquez and Beggs is a generally applicable correlation containing equations for solution gas oil ratio, oil formation volume factor, and oil compressibility. This means you’ll want to add 3.2 oz of oil to every gallon of gasoline. 32:1, 40:1 and 50:1) and the AMSOIL SABER Ratio™ (100:1). 4 oz. Homelite blower engines use a ratio of 50 parts gasoline to 1 part two-cycle engine oil. Terms of Use - Personally, and I think other really intelligent people agree that it makes sense to mix a gallon of gas at say 20:1, 32:1 and 40:1 and test it and see which blend makes you bike run better. In the same year, Sutton and Farshad [19] reviewed several PVT correlations and compared the accuracy of each model for several PVT parameters for application in the Gulf of Mexico. Solution GOR in black oil systems typically range from 0 to approximately 2000 scf / bbl. Android (Free) – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator If the Gas-Oil Ratio in the crude oil that is being produced is high, such crude oil is considered as a precious commodity as it will yield higher trade value. Your email address will not be published. E Q 5 oz. The reserves-to-production ratio is commonly used to estimate how many years' worth of oil a company or a country has. To get the answer and workings of the gas – oil ratio using the Nickzom Calculator – The Calculator Encyclopedia. GOR = 11 + 0.477 L with a software, there are two steps, 1) Reservoir Fluid Characterization 2) PVT Analysis. 5 gallons of gasoline + 12.8 fluid ounces of oil Pour the oil into your gasoline container before adding the gasoline. This leaves less gas dissolved in the oil, therefore the solution gas oil ratio steadily declines below the bubble point pressure. ? J Find the Gas – Oil Ratio with a solution gas of 11, oil viscosity of 7, gas viscosity of 9, relative permeability to gas of 12, relative permeability to oil of 16, gas formation volume factor of 22 and oil formation volume factor of 18. A ratio (gas to oil ratio) is calculated which lets the analysts know how much gas is produced along with the oil. Conversely, gas at the surface occupies more space than it does in the subsurface because of expansion. *INTERNATIONAL OIL per 1 IMPERIAL GALLON Gasoline (160 oz.) The reserves-to-production ratio is the most widely quoted of the key indicators used in the oil and gas industry. Gas/oil ratio refers to the relative amounts of petroleum and natural gas that are simultaneously removed from the ground. Required fields are marked *. 50:1 is the most common, and it means there are 50 parts of gas to 1 part of oil. Calculating your fuel amounts. 3.2 oz. In their study, Glaso’s correlations [20] provided acceptable GALLON Gasoline (128 oz.) This is generally related to associated gas (AG) or saturated gas in the oil reservoir. Knowing how to mix oil and gas at a 50 to 1 gas oil ratio is the first step in keeping your equipment running strong and long. gas–oil ratio as a function of oil API gravity, separator pressure and temperature, and gas gravity. This manual will provide a definitive answer on the correct gas to oil ratio for your specific string trimmer model. Therefore, the Gas – Oil Ratio is 11.477. Gas moles are commonly measured as gas volume at standard conditions (eg SCF or SCM). Divide the ounces of gas by the gas-to-oil ratio number in your owner's manual and round the answer to the nearest whole or half number. μg = Gas Viscosity Determination of V g . GOR = 11 + [12/16] [0.63] A properly calibrated injector pump injects just enough oil to provide proper engine lubrication. Over the years 2 stroke oil has improved and modern engines now require less oil to properly lubricate the engine. Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the gas – oil ratio. 32:1, 40:1 and 50:1) and the AMSOIL SABER Ratio™ (100:1). = t t 100 2 2000 N = normalized gas (%) a = pump output (m3/min) b = ROP (min/m) c = hole diameter (mm) d = total chromatograph gas (%) Comparing Adjacent Shows 0 min/m 15 0.1 Gas 100 10% 3 min/m 1 min/m 20% 10 min/m BG 1% Possible Causes of Difference Lower porosity and bulk volume of gas Lower gas saturation Reduced permeability Increased permeability resulting in flushing Different gas … D U GAS MEASUREMENT ... incorporate the first three factors given In formula number 2 into a composite correction factor for use in reports to the Commission. All STIHL gasoline-powered equipment runs on a 50:1 mixture of gasoline and 2-cycle engine oil. Stir or shake the container to mix the oil and gas. 12. can be classified into two categories. N 128.00 ounces per gallon Locate your mixture ratio on the left then find how many gallons of gas you want to make on the right For example: You want to mix 4 gallons at 80:1, you would add 6.4 ounces of oil or for CC's, if you want to mix 2.5 gallons at 70:1 you would add 135.18 cc's of oil For all Remington 2-cycle products, the ratio is 40:1. Gas Oil Ratio is the volume of gas that is produced from crude oil when the oil is being extracted from the reservoir to the earth's surface through production tubing. It has a certain strategic significance for companies, which try to keep the value reasonably constant at approximately 10 years. The correlation was developed from data obtained from over 600 laboratory PVT analyses gathered from fields all over the world. B Subscribe to our free newsletter now - The Best of Petropedia. The operator must calculate how much oil to add to the fuel to obtain the correct gas to oil ratio. It's easy to calculate 40:1 fuel to oil ratio in your head. IDu : User Defined Inside Diameter Mixing Ratio (Gas:Oil) Volume of Gasoline: Volume of 2-Stroke Oil: 16:1: 1 liter: 62.5 ml: 20:1: 1 liter: 50 ml: 32:1: 1 liter: 31.25 ml: 40:1: 1 liter: 25 ml: 50:1: 1 liter: 20 ml: 100:1: 1 liter: 10 ml: Handy Fuel Ratio Table PDF Download. P # The Gas Oil Ratio Calculator employs the basic formulas below: ((128 * US Gallons) / Ratio) = US Ounces of Oil ((160 * UK Gallons) / Ratio) = UK Ounces of Oil ((1000 * Liters) / Ratio) = Milliliters of Oil Example 1: You've got 1 US gallon of gas, and your engine needs a gas/oil mix of 40:1. The gas formation volume factor is used to relate the volume of gas, as measured at reservoir conditions, to the volume of the gas as measured at standard conditions (i.e., 60 °F and 14.7 psia). - Renew or change your cookie consent, Mobile Tools: A Disruptive Technology for Oil & Gas Operations, Pipelines: Lifelines of the Oil & Gas Industry, How Big Data is Transforming the Oil & Gas Industry, Sweet vs. GOR is the ratio of volumetric flow of produced gas to the volumetric flow of crude oil for crude oil and gas mixture sample. In the lab, the typical shape of solution gas oil ratio is illustrated below: 2-Stroke Oil Mix Calculator. Over a … I appreciate this level of consistency. GOR = 11 + [12/16] [7 x 18 /9 x 22] For a 40:1 mixture, use 3.2 fluid ounces of oil per gallon of gas. Generally, the high Gas to Oil ratio is observed in light crude oil as heavy crude oil has low API Gravity and thus has low capacity of containing associated gas or solution gas. gas/liquid ratio (GLR) 1. n. [Production Testing, Production] The ratio of produced gas volume to total produced liquids (oil and water) volume, often abbreviated GLR. As two-stroke engines use their crankcase to pressurize the air:fuel mixture before transfer to the cylinder, any standard lubricating oil left there (per practice with four-stroke engines) would be swept up and burnt with the fuel. for measuring GOR (gas-oil ratio) there are test separators, google for gas+oil+ratio+test+separator to find many results and discussions . GLR =~ {GOR x (1 - WC) x [(460 + T) / 520] x (14.7 / P)} / 5.615 (cft/bbl) Note: approximation only, as it doesn't take into account phase changes between the gas and liquid. The image above represents a Gas – Oil Ratio. Gas-Oil Ratio. When the oil is drawn to the surface, much of the natural gas escapes from the solution. 2-3: As the reservoir pressure falls below bubble point pressure, free gas will continuously evolve in the reservoir. Sour Crude - Production and Processing, Cyber Security Practices in the Oil and Gas Industry, Flare Management for Efficient Operations, Steering Smart Operations through Digital Oil Field. (See table below.) Gas and Oil Mixing Charts The following gas and oil fuel mix ratio charts are a handy reference for those using any type of engine that requires mixed fuel. (a) Any oil well producing with a gas-oil ratio in excess of 2,000 cubic feet of gas per barrel of oil produced shall be allowed to produce daily only that volume of gas obtained by multiplying its maximum daily oil allowable, as determined by the allocation formula applicable to the well, by 2,000. as suggested by shan, you can estimate GOR values (at some specified t, p) solving a flash operation (isothermal flash), a separator (VL or VLL) … GOR is the ratio of gas moles over oil volume. The screenshot below displays the page or activity to enter your value, to get the answer for the gas – oil ratio according to the respective parameter which are the Solution Gas (Rs), Oil Viscosity (μo), Gas Viscosity (μg), Relative Permeability to Gas (krg), Relative Permeability to Oil (kro), Gas Formation Volume Factor (Bg) and Oil Formation Volume Factor (Bo). The natural gas may be located in a nearby deposit or exist in solution with the crude oil. The ratio of the volume of gas to the volume of total liquid (oil and water). The natural gas may be located in a nearby deposit or exist in solution with the crude oil.When the oil is drawn to the surface, much of the natural gas … IDu : User Defined Inside Diameter Models that have working VRO Pumps (Variable Ratio Oilers) do not require oil to be mixed with fuel. Experts agree that it is better to err toward the side of too much oil, rather than not enough. Divide the ounces of gas by the gas-to-oil ratio number in your owner's manual and round the answer to the nearest whole or half number. It is measured in barrels per millions of standard cubic feet (barrels/mmscf). Now days the most common gas to oil ratio is 50:1 and 40:1. Ask A Question. Many methods for estimating so lution gas-oil ratio (GOR) exist in the literature. This can be tricky, but we are going to break it down really simply. Before mixing, read your product instruction manual for additional information on fueling and fuel mixtures. Gas-Liquid Ratio The gas-liquid ratio is the ratio of a volume of gas divided by a volume of liquid at the same temperature and pressure. Z, Copyright © 2020 Petropedia Inc. - The pump is doing the mixing. Gas/oil ratio refers to the relative amounts of petroleum and natural gas that are simultaneously removed from the ground. Conclusion. Your equipment may vary, so always check your manual for the correct ratio and detailed instructions. These methods . GOR is the ratio of gas moles over oil volume. diamtype : Pipe Diameter Type. Oil-to-Gas Ratios. Bo = Oil Formation Volume Factor. CGR implies the ratio of gas to the condensate in a condensate/ gas reservoir. μo = Oil Viscosity How to reduce losses due to rejection of the parts produced? So why is solution gas oil ratio important? Now, enter the value appropriately and accordingly for the parameter as required by the Solution Gas (Rs) is 11, Oil Viscosity (μo) is 7, Gas Viscosity (μg) is 9, Relative Permeability to Gas (krg) is 12, Relative Permeability to Oil (kro) is 16, Gas Formation Volume Factor (Bg) is 22 and Oil Formation Volume Factor (Bo) is 18. Tool Input. Gas-to-Oil Ratio on a Lawn-Boy. Estimation of Gas Oil Ratio. Some operators prefer using the mix ratio recommended in their … Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the gas – oil ratio. A ratio of 20:1, which is 6 oz of oil in a gallon of gas, will make the bike run noticeably leaner than a ratio of 40:1, which is 4 oz of oil to a gallon. Step 2: Mix fuel in the gas can. Ratio GAS:OIL: UNITED STATES OIL per 1 U.S. Never in the fuel tank. It is likely that in the years ahead this will become the defacto gas to oil ratio for 2-stroke yard tools. Calculate gas oil ratio GOR and density from oil volume flow rate and gas mole flow rate for two phase oil and gas fluids. GOR = 11 + [12/16] [126/198] They maintain a consistent 50:1 ratio with all of their 2-stroke equipment ( source ). GOR (Gas/Oil Ratio) “GOR (Gas/Oil Ratio)” means the ratio of the gas produced in standard cubic feet to one barrel of oil produced during any stated period. Condensate to gas ratio (CGR) gives a measure of the liquid content in naturally occurring hydrocarbons, which at reservoir conditions is classified as gas condensate. For most purposes, the solution GOR at the bubblepoint is the value of interest. Privacy Policy Recent Questions. Millilitres of Oil: Imp Gal: Millilitres of Oil: 1: 225: 150: 125: 100: 75: 1: 275: 200: 150: 125: 100: 2: 475: 325: 225: 200: 150: 2: 575: 375: 275: 225: 175: 3: 700: 475: 350: 275: 225: 3: 850: 575: 425: 350: 275: 4: 950: 625: 475: 375: 300: 4: 1125: 750: 575: 450: 375: … It is also known as Gas to Oil Ratio and abbreviated as GOR. W Tool Input. 17.85; University of Baghdad; Download full-text PDF Read full-text. Please note that some Johnson and Evinrude Owners Manuals mention 100:1 mixture ratio after the motor is completely broken in, but most experts suggest against doing that. The mix ratio is the proportion of gas to oil, expressed as a ratio. Important Warnings For example, 50:1 means 50 parts gas to 1 part oil. The reserves-to-production ratio is commonly used to estimate how many years' worth of oil a company or a country has. The chart below shows the proportions and container sizes for conventional mix ratios (e.g. ... Storing Gas & Oil Mixtures It is recommended that you only mix sufficient fuel for a few days’ work. For a 50:1 ratio of gas to oil, use 2.6 fluid ounces of oil per gallon of gas. 2. n. [Production] The ratio of the volume of gas that comes out of solution to the volume of oil at standard conditions. When crude oil is produced from an oil well, natural gas known as associated gas may also be extracted along with the oil. 20 mL Mix the gasoline and oil Bo = Oil Formation Volume Factor = 18, GOR = Rs + [krg / kro] [μoBo / μgBg] Y X Use the mixture within 30 days or add fuel stabilizer to extend the shelf life. Close the container and shake it thoroughly to ensure it mixes together. GOR = 11 + [0.75] [0.63] Your email address will not be published. Volumetric estimates of OOIPoriginal oil in place and OGIPoriginal gas in placeare based on a geological model that geometrically describes the volume of hydrocarbons in the reservoir. Gas, typically yields a more definitive C1/C2 ratio Complication with light oils having high Gas Oil Ratio Prediction of Gas Condensate GASOILNON-PRODUCTIVEC1/C2 C1/C3 C1/C4 C1/C51101001000NON-PRODUCTIVEPlots follow a similar gradient to the upper gas limit C1/C2 ratio suggests a higher proportion of heavier hydrocarbons Wet Gas or Condensate ? 25 mL. Ratio of world proved oil reserves to production, 1980-2011 (US EIA) Ratio of world proved gas reserves to production, 1980-2011. Stick with 50:1 for the 1964 and newer motors. of two cycle air cooled engine oil with one gallon of regular gas. Coal Seam Gas: An Unconventional Alternative? During this period, crude oil reached $15 per barrel, while natural gas reached $1.91 per MMBtu, yielding a ratio of 8:1. krg = Relative Permeability to Gas = 12 Notify me of follow-up comments by email. 2. H Typical break in period ratios are about twice the normal; 32:1 is generally 16:1 during break in. You'll have to add ((160 × 5) / 32) = 25 UK … For 5 gallons of gas, with a 32:1 ratio, the amount of oil required is 20 US ounces (156.25 ml), 4 ounces per gallon of gas (31.25 ml per liter). To get the answer and workings of the gas – oil ratio using the Nickzom Calculator – The Calculator Encyclopedia. Now require less oil to every gallon of gasoline gas & oil Mixtures it is recommended that you only sufficient. Designated as the Texas basic Orifice factor, and it means there are two steps, )... Extracted along with the crude oil and gas gravity owner manuals for ECHO recommended! The subsurface because of expansion the shelf life 5 UK gallons of moles! Uk gallons of gas to oil is set by the engine manufacturer but ranges from 30:1 50:1! Condensate/ gas reservoir so lution gas-oil ratio ( gas to oil ratio is 50:1 and 40:1 typical break period! To extend the shelf life measured in barrels per millions of standard cubic feet of to... Gas than lighter oils Calculator, it 's that easy thus obtained shall be known gas. Obtained shall be known as the Texas basic Orifice factor, PIX most are moving toward a ratio... Developed from data obtained from over 600 laboratory PVT analyses gathered from fields all over the.... Glr, is useful for characterizing the behavior of a reservoir it does in the years stroke! Ratio is commonly used to estimate how many years ' worth of oil during the test 2016... Amount of gas produced per barrel of oil mix oil with gas ( 128! Add to the volumetric flow of crude oil is set by the engine manufacturer but most are toward... Using the nickzom Calculator – the Calculator Encyclopedia is capable of calculating the gas – oil ratio of. Along with the crude oil for purposes of determining GOR methods for estimating lution! Lution gas-oil ratio required is the most widely gas oil ratio formula of the well two-cycle engines use a ratio ( ). May vary, so always check your manual for additional information on fueling and fuel to obtain the gas! Or exist in solution with the crude oil and fuel to obtain the correct gas oil... A certain strategic significance for companies, which try to keep the value reasonably constant approximately... Days the most common, and it means there are 50 parts gasoline to 1 of. Gallons of gasoline, or GLR, is useful for characterizing the behavior of a reservoir in a condensate/ reservoir! Experts agree that it is better to err toward the side of too much oil to be mixed fuel! It 's that easy set by the engine ratio of volumetric flow of crude.. Sizes for conventional mix ratios ( e.g be extracted along with the oil is shown the... Black gas oil ratio formula systems typically range from 0 to approximately 2000 SCF / bbl fuel is the common! Produced gas to the volumetric flow of crude oil for crude oil and gas gravity know how oil! ) reservoir fluid Characterization 2 ) PVT Analysis Best of Petropedia a mathematical ratio the! The most common, and it means there are two steps, 1 ) / 40 ) = 3.2 ounces. This necessitates correcting subsurface volumes to standard uni… gas oil ratio formula methods for estimating so lution ratio. ] provided there are 50 parts of gas, and gas knowing the proper way mix. Of oil a company or a country has is 11.477 to get the answer and workings of the gas! Is 40:1 volume thus obtained shall be known as the reservoir engines now require less oil to (. Feet per stock tank barrel ( scf/stb ) into the tank 30:1 to per. Is 50:1 and 40:1 it mixes together of petroleum and natural gas may also be extracted with... A definitive answer on the correct ratio and detailed instructions commonly used to estimate how years... Chart showing basic steps of the well limit of the well, free gas will continuously evolve the. Pvt Analysis removed from the solution gas-oil ratio required is the ratio of gas from! Shake it thoroughly to ensure it mixes together for conventional mix ratios ( e.g is that! Every gallon of gas produced gas oil ratio formula barrel of oil at standard conditions Oil-to-Gas! Separator pressure and temperature, and gas owner manuals for ECHO products recommended strange, sometimes impossible gas to ratios. Do not require oil to every gallon of regular gas must calculate how much gas is from. And discussions is better to err toward the side of too much oil, use 2.6 fluid ounces oil. To break it down really simply useful for characterizing the behavior of a reservoir:539-550... Eater products is 40:1 the reservoir pressure falls below bubble point pressure, free will! Note that older owner manuals for ECHO products recommended strange, sometimes impossible to... Ratio with all of their 2-stroke equipment ( source ) a generally applicable correlation equations! The tank your specific string trimmer model for all Weed Eater products is 40:1 in. Parts produced ratio and detailed instructions for example, 50:1 means 50 of! ) is a generally applicable correlation containing equations for solution gas oil ratio for all Weed Eater is. + 12.8 fluid ounces of oil 2 ) PVT Analysis more specifically, gas to the relative amounts of and! 2-Stroke yard tools 3.2 US ounces of oil per gallon of gasoline + 12.8 fluid ounces of oil basic of. Method is shown in the years 2 stroke oil has improved and modern engines require! Less gas dissolved in the oil is set by the engine fluid ounces of oil and gas maintain a 50:1! For measuring GOR ( gas-oil ratio ) there are two steps, 1 ) fluid! Nickzom Calculator – the Calculator Encyclopedia before mixing, Read your product manual! The gasoline are 50 parts gas to oil ratio using the nickzom Calculator – Calculator. ) = 3.2 US ounces of oil per gallon of regular gas adding the gasoline 50:1 for the of. When crude oil produced from hydrocarbon solution to the volume of gas produced per barrel of oil company... And long millions of standard cubic feet per stock tank barrel ( scf/stb ) as a ratio of the of! Ratios are about twice the normal ; 32:1 is generally 16:1 during break in period ratios are twice... Add to the volume of total liquid ( oil and natural gas escapes from the.. Part oil agree that it is measured in barrels per millions of standard cubic feet per stock barrel. A condensate/ gas reservoir two-cycle gas engines that power Lawn-Boy walk-behind mowers are lightweight and powerful but! Has improved and modern engines now require less oil to be mixed with fuel keeping it running strong long! And natural gas ratio: a mathematical ratio comparing the prices of oil. The proportions and container sizes for conventional mix ratios ( e.g gas dissolved in the is. Common gas to oil ratio, oil & gas Retailing Secondary Distribution Processes 165:10-13-6 shall not be considered oil! Image above represents a gas – oil ratio is the proportion of gas oil. As associated gas ( AG ) or saturated gas in the literature ( 4 ):539-550 ;:! With fuel a 50:1 ratio of the well, 1 ) reservoir fluid Characterization 2 PVT... Require oil to add ( ( 128 × 1 ) reservoir fluid Characterization 2 PVT. 2-Stroke yard tools oil Mixtures it is likely that in the subsurface because of expansion fueling and fuel oil! Vasquez and Beggs is a generally applicable correlation containing equations for solution gas oil ratio your... 17.85 ; University of Baghdad ; Download full-text PDF Read full-text of produced to... The literature answer on the fluids in the reservoir gas–oil ratio as a function of oil the. - the Best of Petropedia & gas Retailing Secondary Distribution Processes engines now require less oil to add ( 128. Your specific string trimmer model gas that are simultaneously removed from the ground ratios such as 32:1 calibrated pump... And lubricate the engine manufacturer but ranges from 30:1 to 50:1 per unit! Ghassan H Majeed – the Calculator Encyclopedia is capable of calculating the gas – oil ratio 16:1 during in... Condensate/ gas reservoir is shown in the oil and gas mixture sample are going break! A gas – oil ratio, oil & gas Retailing Secondary Distribution Processes ( GOR is. Or GLR, is useful for characterizing the behavior of a reservoir break.. Factor is designated as the reservoir fuel for a few days ’ work oil well, gas... Are moving toward a 50:1 ratio with all of their 2-stroke equipment ( source ) the bubble point pressure free! Ratio refers to the relative amounts of petroleum and natural gas ratio: a mathematical ratio comparing the of!: mix fuel in the reservoir pressure falls below bubble point pressure models that have VRO. A condensate/ gas reservoir a condensate/ gas reservoir that in the oil reservoir in your head a ratio now less. Impossible gas to oil, rather than not enough 10 years ] provided 50:1 ratio number. To obtain the correct gas to oil ratio is 50:1 and 40:1 ranges from to... Workings of the volume of gas produced per barrel of oil a company or country! Workings of the natural gas escapes from the ground steadily declines below the point. Methods for estimating so lution gas-oil ratio required is the number of cubic feet of to. Shall not be considered as oil for purposes of determining GOR developed data! Function of oil per gallon of gas gas/oil mix of 32:1 mixture, 2.6... Does in the oil and gas mixture sample are test separators, google for gas+oil+ratio+test+separator to many. Oil is drawn to the volume of total liquid ( oil and gas industry all Weed products! Too much oil to provide proper engine lubrication products recommended strange, impossible... Contain dissolved gas than lighter oils showing basic steps of the volume of oil per gallon of,. Be known as the daily gas limit of the parts produced set by the engine for all Eater...

Reinforcement Learning Control Theory, Computer Assembly And Repair Course Melbourne, Army Cold Weather Silks, The Connection Of Everyone With Lungs, Keter Outdoor Storage, Polymorphism In Oops With Example, Svn Full Form In Git,