I took an analgesic because I had a severe headache.

When making bread, you need a leavening agent.

It is important to use mouthwash every day after brushing your teeth.

I sprayed insecticide in the garden.

This mixture is used to alleviate the symptoms of a cold.

Using this coating agent to paint the wall provides a waterproof effect.

This machine requires lubricant regularly.

This adhesive is very strong.

He explored his own mental world using hallucinogens.

I picked up a new prescription at the pharmacy.