Fun term

run in

Genuine machinery term for breaking in new equipment

(v.) To use a new example of machinery at a low pace to allow the parts to wear into each other.

Run this car in by keeping it under 6,000 rpm for 1,000 miles.

Also in the dictionary

View on Urban Dictionary Written by Kung-Fu Jesus on Urban Dictionary

Quoted from Urban Dictionary under their terms, with attribution. Definitions there are written by the public and are not edited by us.

One industrial term every weekday, with the trade it belongs to and why it is worth knowing. No advertising.