Metal grain bins and component parts associated with metal grain bins; prefabricated metal buildings and component parts associated with prefabricated metal buildings; metal grain bin flooring and component parts associated with metal grain bin flooring; metal grain bin floor supports and component parts associated with metal grain bin floor supports

Mechanical grain spreaders and component parts associated therewith; power-operated grain stirrers and component parts associated therewith; power-operated grain augers and component parts associated therewith; grain moving equipment and component parts associated therewith; grain elevators and component parts associated therewith; grain conveyors and component parts associated therewith; mechanical discharging grain hoppers and component parts associated therewith; pneumatic grain moving systems and component parts associated therewith; grain drying systems and component parts associated therewith; grain loading and unloading systems and component parts associated therewith; grain sweeping machines and component parts associated therewith; chain loop conveyors and component parts associated therewith; drag conveyors and component parts associated therewith; double run conveyors and component parts associated therewith; bucket elevators and component parts associated therewith; mechanical drive over hoppers and component parts associated therewith; transfer augers and component parts associated therewith; paddle sweeping machines and component parts associated therewith

Fans, heaters and ducts for aerating and drying grain, grain products and similar materials and component parts associated therewith; grain drying conduits for use in grain bins; furnaces, fans, fan covers, fan shutters and transitions for fans for drying grain and similar materials and component parts associated therewith; grain dryers and tower dryers for drying grain and similar materials and component parts associated therewith