The removing of scales from fishes.

Counting pulses with a scaler when the pulses occur too fast for direct counting by conventional means.

Removing scale (rust or salt) from a metal or other surface.

Using a scale to measure dimensions in a scale drawing.

Expressing the terms in an equation of motion in powers of nondimensional quantities (such as a Reynolds number), so that terms of significant magnitude under conditions specified in the problem can be identified, and terms of insignificant magnitude can be dropped.

1. Forming of a thick layer of metallic oxide on metals at high temperatures.

2. Depositing of solid inorganic solutes from water on a metal surface, such as a cooling tube or boiler.

Removing loose rocks and coal from the roof, walls, or face after blasting.

A property of nuclear collisions whereby the likelihood of a nuclear reaction depends more on the ratio between energy transferred and momentum transferred than on the energy transferred between the colliding particles.