equipment class
A datasheet which provides precise information about a equipment/model or package which shows how it meets the 'equipment specification' and the 'design datasheet requirements'; includes noise and other test results prepared by manufacturer/supplier.
A list of recommended listing of spares received from vendor/manufacturer to support installation, commissioning, operation or maintenance.
An instrument that indicates either a) magnetic bearings by alignment of its needle on the magnetic poles, or b) reference bearing by radio signal, or c) change of orientation in relation to a gyromaintained line.