Science and technology

This is the science of very low temperatures ...

This pipe is leaking. i'll need a ... to turn this bolt.

Online conversation between a group of people ...

Memory in a computer used for temporary storage of information ...

The washing machine broke ... yesterday. We'll have to get a new one.

Scientific study of human races and their characteristics ...

The young generation always surfs the Internet when they ... new information.

Mary ... her password when she realized that someone else was using her page.

When I ... time, I'll paint the room.

They won't return their books until they ... them all.