CAPA – This abbreviation is for “Certified Automotive Parts Association” - CAPA parts are aftermarket parts certified by an unbiased third party that insures the quality of the parts they test are equal to or greater than the original car company part.

O/H – Overhaul - Remove an assembly, disassemble, clean and visually inspect it, replace needed parts, reassemble and reinstall on the vehicle making any necessary adjustments.
R & I – Remove and Install – Usually referring to parts being removed from a vehicle to facilitate repairs or to allow access. The same part is then reinstalled on the same vehicle it was removed from.

R&R – Remove and Replace – This abbreviation means that a part is being removed and replaced with a new, recycled or aftermarket part.

Overlap – An automatic deduction made by the estimating system when two processes are duplicated. Therefore, not allowing for excess charges.

Blend - A process of gradually blending the paint into the adjacent panel being replaced or repaired to facilitate an acceptable color match.

Tint – Means time spent by a painter to tint the color to achieve an acceptable paint match.

Flex Additive/Materials – A product put in paint to make the paint flexible for use on soft parts, such as bumper covers and side moldings.

Color Sand and Buff – Process of sanding a repainted surface with ultra fine sandpaper to remove minor surface imperfections in the paint, or to achieve the same texture of the paint finish as the rest of the vehicle. After sanding the repainted parts are then buffed to restore original gloss. This process may also be referred to as “Denib and Buff”, “Final Sand and Buff” or “Finessing”.

PDR – Paintless Dent Repair – The process using specialty tools to remove minor, rounded dents, such as hail damage dents, without damaging the paint.

http://www.mvrboard.ohio.gov/guide.stm