Since thinwall metallic tubing is not threaded, ____________________ are used for joining lengths together.
Fill in the blank(s) with the appropriate word(s).
compression couplings
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A useful tool to help you to keep track of a string of phone conversations and messages is a _______
A) Phone log B) To-do list C) Road map D) Project tracking report
The micro-stepping mode generates small stepping angles through motor current control via PWM of the excitation voltage of the rotor windings
Indicate whether the statement is true or false
Which type of structural connection is seldom used today but may be specified on original drawings? ___________
Fill in the blank(s) with correct word
If a hard hat is required during overhead cutting or welding, it should allow the attachment of _____
a. a rear deflector and a face shield b. a front deflector and ear muffs c. cotton or leather spats d. an oxygen tank for breathing