Set up and operate single-spindle drill press, milling, and engine lathe machines to perform such operations as drilling, reaming, tapping, and counter boring on simple as well as diversified operations on a wide variety of parts working to very close tolerances . Improvise work holding devises and jigs to secure small and irregularly shaped parts, select proper feeds, speeds and operating sequences, and perform necessary hand operations; includes use of machinist’s hand tools, calipers, etc.