Question

Gysers require which labour
small or big​

Answer 1

Answer:

small are needed as it is not a big job

Answer 2

Answer:

Ideal size of water heater should be close to the volume of hot water required at one go. If people take bath one by one and use 25 lts of water, then a 25 lts or a 15 lts of water heater will make sure that the water is optimum hot when one goes to take bath (at places where tap water temperature is not too low).