screening

Mesh material that is used to screen (as in a "screen door").

I'll have to buy some screening and fix the doors before mosquito season starts.

The examination and treatment of a material to detect and remove unwanted fractions by passing it through a screen (sieve).

Material removed by such a process; refuse left after screening sand, coal, ashes, etc.

quarries and mines seeking markets for screenings

The examination of any material or persons to detect problems through any of various testing, checking, or filtering processes, as

The airports are slow now because the pre-boarding screening is so inefficient.

This train of thought led the Company's Safety Directorate towards the revised standard […] of October 1993, which cemented a national scheme of testing for alcohol and drugs following safety-critical incidents or on suspicion of unfitness for duty, unannounced drugs screening for staff in safety-critical posts, a fixed standard for alcohol/blood levels, and clear guidelines for lunch breaks.

The examination of any material or persons to detect problems through any of various testing, checking, or filtering processes, as: