Assembler means any person engaged in the business of assembling, replacing, or installing one or more components into an X-ray system or subsystem. The term includes the owner of an X-ray system or the employee or agent who assembles components into an X-ray system that is subsequently used to provide professional or commercial services.
Modules means the Base Modules and Extended Modules.
Fireworks means consumer fireworks, display fireworks, and pyrotechnic special effects fireworks;
Plasma arc incinerator means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.
Diagnostic source assembly means the tube housing assembly with a beam-limiting device attached.