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2. Machinist - Wikipedia

   en.wikipedia.org/wiki/Machinist

   Some titles reflect further development of machinist skills such as tool and die maker, patternmaker, mold maker, programmer, and operator. A machinist is one who is called on to fix a problem with a part or to create a new one using metals, plastics, or rarely, wood. Depending on the company, a machinist can be any or all of the titles listed ...

3. United States Army Corps of Engineers - Wikipedia

   en.wikipedia.org/wiki/United_States_Army_Corps...

   More than 90 percent of the USACE construction contracts have been awarded to Iraqi-owned businesses — offering employment opportunities, boosting the economy, providing jobs, and training, promoting stability and security where before there was none. Consequently, the mission is a central part of the U.S. exit strategy.

4. Manual labour - Wikipedia

   en.wikipedia.org/wiki/Manual_labour

   Manual labour (in Commonwealth English, manual labor in American English) or manual work is physical work done by humans, in contrast to labour by machines and working animals. It is most literally work done with the hands (the word manual coming from the Latin word for hand ) and, by figurative extension, it is work done with any of the ...

5. Machining - Wikipedia

   en.wikipedia.org/wiki/Machining

   In production machining jobs, one or more roughing cuts are usually performed on the work, followed by one or two finishing cuts. Roughing operations are done at high feeds and depths – feeds of 0.4–1.25 mm/rev (0.015–0.050 in/rev) and depths of 2.5–20 mm (0.100–0.750 in) are typical, but actual values depend on the workpiece materials.

6. Blacksmith - Wikipedia

   en.wikipedia.org/wiki/Blacksmith

   A blacksmith's striker is an assistant (frequently an apprentice) whose job is to swing a large sledgehammer in heavy forging operations, as directed by the blacksmith. In practice, the blacksmith holds the hot iron at the anvil (with tongs) in one hand, and indicates where to strike the iron by tapping it with a small hammer in the other hand.

7. Milling (machining) - Wikipedia

   en.wikipedia.org/wiki/Milling_(machining)

   A machinist milling breech blocks for Sten guns, 1943. By 1940, automation via cams, such as in screw machines and automatic chuckers , had already been very well developed for decades. Beginning in the 1930s, ideas involving servomechanisms had been in the air, but it was especially during and immediately after World War II that they began to ...