Synonyms for Workings:

n.

bearing, button, belt, ancillary, carriage, bucket, cam, camshaft, ball bearing, chamber. coal miner, gallery, coalfield, coal, coal mining, colliery, gold rush, goldmine, coal mine, conflict diamonds. artifact (noun)
works.
cultivation (noun)
working.
innards (noun)
parts, mechanism, insides.
mechanics (noun)
mechanism.
mechanism (noun)
works.
workings (noun)
working, works.

Other synonyms:

interior
insides.

Usage examples for workings

  1. He respected the individual soul and its workings as a part of the divinely organized human. – Flamsted quarries by Mary E. Waller
  2. The practical workings of the apartment were not so bad; it had its good points, and after the first sensation of oppression in it they began to feel the convenience of its arrangement. – A Hazard of New Fortunes by William Dean Howells
  3. You mean that all the workings are smashed in? – The Boy With the U.S. Miners by Francis Rolt-Wheeler