For the purpose of this subpart:
(a) The term sq m [``sq ft''] shall mean the area plated expressed in square meters [square feet].
(b) The term operation shall mean any step in the electroplating process in which a metal is electrodeposited on a basis material and which is followed by a rinse; this includes the related operations of alkaline cleaning, acid pickle, stripping, and coloring when each operation is followed by a rinse. Secs. 413.12-413.13 [Reserved]