Two technicians are discussing Section 609 of the Clean Air Act. Technician A says that it requires that A/C technicians be properly trained and certified. Technician B says Section 609 requires that recovery and recycling equipment be of an approved type. Which technician is correct?

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


C) Both technicians

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In a string array system, there are a number of ____ in the or on the building of the installation.

a. grid-based tools b. circle inverters c. grid-tied inverters d. square inverters

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Explain why Britain finally decided against intervention on behalf of the Confederacy. In what ways was Britain helpful to the South anyway?

What will be an ideal response?

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What is the most common insulating material used on conductors?

A. copper B. silk C. aluminum D. plastic

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When is sketching used as graphic communication?

What will be an ideal response?

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