pneumatics

Etymology
From.

Noun

 * 1) The branch of mechanics that deals with the mechanical properties of gases
 * 2)  The study or knowledge of spiritual beings and their relations to God, angels, and human beings.

Translations

 * Czech:
 * Estonian: pneumaatika
 * Finnish:
 * French:
 * German:
 * Hindi: गैसयांत्रिकी
 * Portuguese:
 * Tagalog: buhagsigwasan


 * German: ,