Some people lift the cylinder and estimate the gas remaining in it according to the weight while some tell it by the colour of the flame.
How To Check Your Gas Cylinder Level With A Wet Cloth Trick
How To Check Your Gas Cylinder Level
How to Tell How Much Gas Is Left in Your Cylinder
How To Check Your Gas Cylinder Level With A Wet Cloth Trick
Wow, amazing tips! You don't have to shake the gas cylinder to
How could we measure the level of gas in a cylinder? - Quora
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Safety With Gas - Arrive Alive
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