This movie shows how to do rainwater catchment with underground tanks and self-made gutters.

This movie shows how to make a ferrocement tank to store water using an inner form made of corrugated steel plate.

This movie shows how to make a classical ferrocement tank to store water.

This movie shows how to make a small (75 iiter) ferrocement water tank and a sink for use in the house.

This movie shows how to make an underground cistern in very sandy soil.

This video shows how to make a kitchen sink using cement.