Lathes; Broaching machines for metalworking; Centering drilling bits being parts of machines; Drilling machines; Electric hand-held drills; Gear cutting and finishing machines; Knives being parts of machines; Knives, electric; Machine parts, namely, blades; Machine tools, namely, gear cutters; Metalworking machine tools; Polycrystalline diamond compact (PDC) drill bits for drilling machines; Power drill bits; Power operated metalworking machine tools, namely, drilling tools; Power operated me...