Changing the torch angle changes the percentage of heat that is transferred into the metal.

Answer the following statement true (T) or false (F)


True

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____ used in burglar alarm systems commonly use infrared LEDs as the light source.

a. Proximity sensors b. Ultrasonic detectors c. Proximity detectors d. Photodetectors

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List the five categories of geometric characteristic symbols.

What will be an ideal response?

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Many corporations obtain trademark protection for their lettering styles as well as for their names

Indicate whether the statement is true or false

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Compared to conventional wooden joists construction, what are two advantages of post-and-beam construction?

What will be an ideal response?

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