For instance, gauges, such as thermometers and barometers, are instruments.

After business came to a halt, many bathhouses added new facilities, such as saunas and exercise equipment, in an effort to attract customers.

Something is wrong with the experimental apparatus.

The thermometer is an instrument for measuring temperature.

A doctor's instruments must be kept absolutely clean.

The rocket landed sufficiently gently to avoid breaking its instruments.

You should on no condition touch these instruments.

That school is equipped with the latest gymnastics apparatus.

This is a great time-saving gadget for the housewife.