The wildfire spread, engulfing the entire forest in flames.

You cannot buy this drug without a doctor's prescription.

He is majoring in metallurgy.

This year is my unlucky year, so I have to be especially careful.

Loading and unloading work is an important task that requires time and effort.

He loads and unloads cargo from the ship every day.

We are running out of ammunition.

He was secretly maneuvering behind the scenes at the company.

He was maneuvering behind the scenes at the company.

This reagent is used to investigate chemical reactions.