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23-02-2021
Advanced Placement (AP)

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Technician A says that self-etching primer contains acid.

Technician B says that self-etching primer is applied to bare plastic.

Who is right?

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bpbrownoffical1989 bpbrownoffical1989

23-02-2021

Technician A is right. The primer is made for metal and fiberglass

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