Plumbing is specialized work, and it has always demanded specialized tools. How well do you know the tools of the trade? Take our quiz and find out!
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b. The orbital locking mechanism for the saw’s blade.
c. It refers to the shape of the Scotch yoke-type drive used in many recip saw designs.
d. Variable speed sensitivity.
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b. At least 12,000 cubic ft. per welder
c. At least 8,000 cubic ft. per welder
d. At least 6,000 cubic ft. per welder
a. 1879
b. 1888
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d. 1902