Colander is an equipment used for

A colander is a kitchen utensil with holes in the bottom and sides used for straining or draining food items such as pasta, vegetables, or fruits. It is usually made of metal, plastic, or ceramic material, and comes in different sizes and shapes. When placed over a sink or a bowl, a colander allows the liquid to pass through the holes while retaining the solid food items. Therefore, the correct answer is straining.