Technician A says all aperatures should be masked prior to washing the vehicle to prevent water from getting into and collecting inside the gaps and openings. Technician B says only the part of the vehicle that is to be painted should be cleaned with wax and grease remover before masking. Who is correct?

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The Answer of Technician A says all aperatures should be masked prior to washing the vehicle to prevent water from getting into and collecting inside the gaps and openings. Technician B says only the part of the vehicle that is to be painted should be cleaned with wax and grease remover before masking. Who is correct?

Technician a Says All Aperatures Should Be Masked Prior to Washing