8 Hand-operated apparatus and tools for material processing and for construction, repair and maintenance work, namely, drilling tools, milling tools, grinding tools, threading tools, chamfering tools and reamers; hand tools for cutting, drilling, grinding, sharpening and surface treatment; hand-operated tools, namely, cutting tools for manual processing of workpieces; hand-operated diamond tools, namely, drilling tools, milling tools, grinding tools, threading tools, chamfering tools and reamers; industrial diamonds as parts of hand tools; glaziers' diamonds being parts of hand tools; hand tools, namely, reamers; hand tools, namely, drills; taps being hand tools; hand tools made of natural diamond and derivatives such as polycrystalline diamond and boron nitride, namely, drilling tools, milling tools, grinding tools, threading tools, chamfering tools and reamers; hand tools made of cemented carbide, namely, drilling tools, milling tools, grinding tools, threading tools, chamfering tools and reamers