Crocodile pits need regular maintenance. You need to drain out the water, clear out the muck and give a good wash. Crocs are pretty cooperative and wait patiently while the bath is made.
The pot that Arun is carrying, the design of which is very popular in India as women usually carry water pots supporting them with their hips and wrap one arm around the small neck. It is a great design. Men can't carry it like that though.