What is cement used for

A cement is a binder. It is a substance that sets and hardens and can bind other materials together. Cement is usually in a form of powder which is being mixed with other materials and water. The most important uses of cement are as a component in the production of mortar in masonry, and of concrete, a combination of cement and an aggregate to form a strong building material. Cements used in construction can be characterized as being either hydraulic or non-hydraulic, depending upon the ability of the cement to set in the presence of water.

Cement is used for sticking hard objects together so that they can stiffen and it would be difficult to break. For example: Cement is used for bricks to stick together to make houses