Several peripherals are connected to my computer.

Essential fatty acids are important nutrients for our health.

Essential amino acids are necessary to be taken from our diet because our body cannot produce them on its own.

My information appliance is the latest one.

We introduced a new milking machine to the farm.

The manufacturing industry occupies an important part of the economy.

We are considering introducing a new production line.

An isotope refers to elements with the same atomic number but different numbers of neutrons.

Transition elements play an important role in chemical reactions.

Oxygen, which is one of the chemical elements, is necessary for us to breathe.