Machines for weighing, metering, conveying and loading, namely, loading and unloading machines, conveyors, conveyors both fixed position and mobile conveyors equipped with top filling capabilities from cranes both mobile and static in portside and other locations, mobile pilers and spreaders, bulk throwers and container loaders, en-masse and drag link chain conveyors, elevators and elevators in the nature of belt and bucket and chain and bucket elevators, screw conveyors and augers, belt conv...