| | drop forging welding rough and average machine work tolerances 0.1 mm fine machine ... inspection wire and pipe drawing cold forming machining heavy sheet metal thickness 5 ... fuel supply facilities boiler houses machine shops secondary rooms e.g pump rooms ... working on stones and plates printing machines matrix production paper sorting and ... 80 80 80 500 1000 1500 2000 80 80 90 80 rolling mills smelteries and steel mills type ... on beaters edge runners wood grinding machines paper production and processing paper ... and cardboard machines cardboard box production general book- ... slab warehouse 500 80 furnace rolling mill swifts shearing/separating ...
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