He lost everything.

I will assemble the furniture using this tool.

What is in this box?

He solved all the problems entirely.

What is this box used for?

She looked at his facial features and immediately understood that he was lying.

I went to the secondhand goods shop to look for old furniture.

Carrying the stage props of the theater company is a tough job.

In behavioral sciences, the use of metatools plays a crucial role.

Kaku is my best friend.