PAS Systems Has Developed a Club-Like Flashlight Alcohol Detector

PAS Systems has developed a club-like flashlight alcohol detector.The flashlight readings are inadmissible in court but are used by officers to decide whether to hold someone for a sobriety test.Each one costs $600.The manufacturer assembles a breathalyser from one supplier with a slightly modified flashlight case from another supplier to make the new product.
-Refer to Alcohol Detector.What are the breathalyser and the flashlight case examples of?

A) component parts
B) accessory equipment
C) major equipment
D) integrated parts