After sanding the filler during a one-sided SMC fender repair, the repair area should be:

Technician A says that conventional fiberglass repair material can be used to repair SMC.

Technician B says that pinning is used to strengthen repairs to fiber-reinforced plastic.

Who is right?

Technician A says that backside plastic repair adhesive may sand easier than front side repair material.

Technician B says that some plastic repair adhesives may be used as plastic repair fillers.

Who is right?

Technician A says that flexible-polyester filler designed for plastics may be used to repair minor imperfections and scratches.

Technician B says that flexible polyester filler designed for plastics may be used as an adhesive on the backside.

Who is right?

All of these may cause adhesion problems with a polyolefin part EXCEPT:

Technician A says that cleaning the melt tube on an airless welder helps ensure the weld is not contaminated.

Technician B says that cleaning the shoe on an airless welder helps ensure that the heat setting is accurate.

Who is right?

Technician A says that body fillers designed for metal may also be used when making plastic repairs.

Technician B says that adhesion promoter may be recommended before applying filler to a plastic part.

Who is right?

All of these may be used during a plastic welding repair EXCEPT:

Technician A says that a plastic fascia containing two ISO codes indicates a blend of two different plastics.

Technician B says that ISO codes are found on the front side of a plastic part.

Who is right?

When performing a rod adhesion test, the rod to use should be the rod that:

Technician A says that before applying adhesive from a dual-cartridge, the plungers should be leveled.

Technician B says that before applying adhesive from a dual-cartridge, a bead should be run through the static mixing tip.

Who is right?

Technician A says that hot air welders may be used on a SMC part.

Technician B says that hot air welders use a filler rod as part of the repair process.

Who is right?

Technician A says the pinning holes for a tab repair should be drilled 1/8" apart.

Technician B says that all of the pinning holes should be within the repair taper.

Who is right?

Technician A says that carbon fiber dust may short out electronic tools.

Technician B says that exposed carbon fiber may cause galvanic corrosion.

Who is right?

Technician A says that when repairing carbon fiber parts, it may be recommended to use a pyramid patch.

Technician B says that when repairing carbon fiber parts, it may be recommended to use pinning.

Who is right?

Technician A says that a non-polyolefin plastic usually smears when its sanded.

Technician B says that a polyolefin plastic creates a powdery dust when sanded.

Who is right?

Technician A says that a paint maker's adhesion promoter may be used before a plastic adhesive is applied.

Technician B says that a plastic adhesion promoter and a plastic repair adhesive from different product makers may be used together.

Who is right?

Technician A says that an RRIM part may be repaired using adhesives.

Technician B says that an RRIM part may be repaired using an airless plastic welder.

Who is right?

Bumper covers are commonly made from: