Key

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

In mechanical engineering, a key is a machine element used to connect a rotating machine element to a shaft. The key prevents relative rotation between the two parts and enable torque transmission.

Excerpt from the Wikipedia article “Key (engineering)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: No machine-readable author provided. Borowski~commonswiki assumed (based on copyright claims)., Public domain, via Wikimedia Commons.