… food protecting covers and insect screening, safety guards for machinery, conveyor belting, shelving, … of wire grill or perforated sheets for fencing, safety guards for machines, flooring of foot‑bridges or crane …
… group may also be present as a substitute in benzene homologues; in the case of toluene, a phenol homologue known as cresol is obtained, in the case of …
… These are frames usually of cast iron or steel and usually rectangular or round. They hold the sand mould formed by … moulding machines (e.g., for casting iron pipes, gun barrels). (E) MOULDS FOR GLASS This group includes : …