He made three robots.

He exercises his body every day.

His body looks like that of an athlete.

He hydrogenated fatty acids in a chemical experiment.

This compound is stabilized by hydrogenation.

Hydrogen sulphide is extremely toxic, and particularly at high concentrations, it is lethal to humans.

Hydrocarbons are fundamental components of organic chemistry.

He was involved in the development of the hydrogen bomb.

His body build is like that of a sports player.

The one-eyed goblin was dancing in the forest.