Lines that are perpendicular to the plane of projection and parallel are called _________

Fill in the blank(s) with correct word


Receding lines

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What is an unmanned aerial vehicle?

What will be an ideal response?

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Objects can fall from scaffolding, so to protect workers of the ground, you must _____.

a. erect barriers beneath the scaffolding to prevent pedestrian traffic b. use debris nets, screen, or mesh and install scaffolding toe boards c. shout "heads up" to warn those working below of falling objects d. use scaffolding only when there is no one else working in the area

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Which of the following would be the preferred method of removing a tough-to-remove gasket from an oil pan flange?

A. oxy-acetylene rosebud B. gasket eliminator chemical C. pneumatic gasket remover D. right angle grinder

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Technician A says that a leaking head gasket can be checked using a chemical tester. Technician B says that a leaking head gasket can be found using an exhaust gas analyzer. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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