Mechanical apparatus, including transport equipment, conveyors, and vibrating machines; vibrating drums for cleaning castings and processing materials; vibrating equipment for removing sand from castings; machine and vibration drives and generators; directed force exciters; vibration reactors, including oscillating machines with conveyor elements; magnetic vibrators; unbalance motors, shaft drives; machines for manipulating, conveying, sifting, classifying and/or crushing; processing machines, resonance conveyors, spiral conveyors; transport devices and systems for bulk goods; casting coolers; sand coolers; vibration coolers and dryers; fluidized bed coolers; conveyor troughs, oscillating conveyor troughs and tubes; vibrating screening machines; separating troughs; shake-out grids; shaking sieves; sand lump breakers; sieves; sorting tables; classifying devices; installations assembled from the aforesaid goods; and parts of and accessories for the aforesaid goods