9 MECHANICAL SCALES, ELECTRONIC SCALES, HYDRAULIC SCALES, CHECK WEIGHING SCALES, AUTOMATIC OR SEMI-AUTOMATIC FILLING DEVICES METERING BY WEIGHT, AUTOMATIC OR SEMI-AUTOMATIC BATCHING DEVICES USING WEIGHT AS A CONTROL FACTOR, PUSH OR PULL TEST MACHINES INDICATING IN WEIGHT UNITS SUCH AS POUNDS, TONS, KILO'S ETC