action of focusing one's attention.

To empty or remove liquid from.

System that provides warmth to a house or building. To make hot or hotter.

To turn something on.

measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening. Actions performed in order to prevent trouble.

Getting a new object to use instead of an old one.

bringing something to end. To make something shut; stop from being open.

Process of extracting air, as to cause to stick. remove something using suction.

in space separating things. In the space that separates two objects.

spoken or written account of person or event.

event intended for public entertainment. To show, e.g. your feelings, thoughts; demonstrate.

Having the ability to be glued to something. substance used for sticking objects or materials together.

Large group of similar things functioning together.

continuing or valid to final destination. From the beginning of something until the end. moving in one side and out of other side of.

Physical harm that is done to something. To harm physically; to hurt or break something.