He is learning the technology of phototypesetting.

This is my new photo album.

He likes to take candid snapshots of daily life.

He is using a drone to take aerial photographs.

This culture liquid contains various types of bacteria.

Intestinal juice plays an important role in the digestion of food.

In plant cells, there is a large bag called a vacuole.

This electrolyte improves the performance of the battery.

This liquid is very dangerous.

I always keep correction fluid in my pencil case.