They are chlorinating the swimming pool.

The chlorinator is responsible for adding chlorine to the pool water.

The chlorinators in the swimming pool keep the water clean and sanitized.

The pool water is chlorinized regularly to maintain its cleanliness.

The pool maintenance crew is chlorinizing the water to keep it clean.

The company chlorinizes the water to ensure its cleanliness.

The chlorinations of the water supply are necessary to ensure its safety.

Chlorins are pigments found in plants and algae.

There are many chlorines in the compound.

The chlorinities of the water samples were measured and recorded.