7 Dredging and Excavating Machines-Namely, Material Blending Machines, Open-Cast Mining Machines, Stackers, Reclaimers, Bucket Wheel Excavators, and Reclaimers, and Hydraulic Excavators, Conveyors for Lumped and Bulk Goods, Particularly in Mining, Size-Reducing Machinery-Namely, Stone Crushers, and Granulating Machines