The tree's leaf-scales provide protection against harsh weather conditions.

The length scales of the different objects varied greatly.

Ratio scales are commonly used in scientific research.

The Shepard scales are used to measure the perceived similarity between different stimuli.

The suspension scales in the laboratory are used to measure the weight of objects.

The government's thumbs on the scales have skewed the results of the election.

The time-scales of geological events can span millions of years.

Modal scales are commonly used in jazz music.

I have a collection of tone scales.

The Torino scales are used to assess the potential impact of near-Earth objects.