DSAE test file

Proto, noun

Forms:
Also with small initial.
1. The proprietory name of a breathing apparatus which filters out toxic gases and supplies oxygen to the wearer during underground rescue operations. Usually attributive.
1932 Watermeyer & Hoffenberg Witwatersrand Mining PracticeTeams are organized and trained in the use of Proto Rescue apparatus and they are liable to be called to their own (or other) mine at any time.
1983 Mining Dict. 202Proto apparatus...Proto mask.
2. Special Combinations
Proto captain, the leader of the Proto team;
Proto man, a member of a Proto team;
Proto team, a team with special training in (underground) rescue procedures. Also attributive.
1983 Mining Dict. 202Proto captain.
1993 E. Prov. Herald 15 May 1Specially trained proto teams are working against the clock in a search for the miners.
The proprietory name of a breathing apparatus which filters out toxic gases and supplies oxygen to the wearer during underground rescue operations. Usually attributive.

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19321993