7 Industrial machines, namely, apron feeders, heavy-duty apron feeders, deep drawn pan conveyors, bucket apron conveyors, pivoting pan conveyors, drag chain conveyors, mobile link conveyors, flat plate conveyors, short plate conveyors, belt bucket elevators, central chain bucket elevators, double bucket elevators, bucket elevators with gravity discharge, pendulum bucket elevators for transporting, storing, distributing, withdrawing, mixing, dosing, homogenizing, bunkering and apportioning of bulk materials; machines and mechanical apparatus for conveying and evacuating bulk materials from bulk material bins and silos, namely, rotary discharged machines and systems for tipping wagons comprised of front tippers, rotary tippers and side tippers; industrial machines, apparatus, and parts therefor for emptying bunkers, silos and large storage rooms as well as for loosening bulk material stored therein, namely, rotating gravity discharge gates, grab unloading hoppers, armored chain conveyors, cleaning conveyors, telescopic loading spouts stockyards and blending bed systems, bride-type scraper reclaimers, portal- and semi-portal scraper reclaimers, multiple purpose portal bridge rectifiers, cantilever scraper reclaimers, combined stacker/scraper reclaimers, circular storages with stacker and cantilever reclaimers or bridge-type scraper reclaimers, belt conveyor systems consisting of steel plate conveyors and conveyors of different construction, belt conveyors; vertical and pendulum bucket conveyors incorporating supporting constructions in the form of belt bridges and delivery towers