La herramienta de doblado manual más simple es el doblador:

a. de tubo de compresión por palanca.
b. de resorte.
c. para tubo de cableado.
d. manual hidráulico.


Answer: B

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What will be an ideal response?

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A duct system is pressurized by three pressures. Match each type of pressure to its correct definition.

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