Tier 1 Cold Metals Authorization: Difference between revisions
From Pumping Station One
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on the machines. Tier 1 is a required for authorization on the Clausing | on the machines. Tier 1 is a required for authorization on the Clausing | ||
metal lathe or Bridgeport milling machine (Tier 2). Sessions meet on | metal lathe or Bridgeport milling machine (Tier 2). Sessions meet on | ||
an irregular but hopefully frequent basis. Each session can accommodate | an irregular but hopefully frequent basis. Each session runs about two | ||
from one to three people. | hours and can accommodate from one to three people. | ||
