Mining machines, namely, earth drilling machines; machine tools, namely, bits for mining machines; Mechanical shovels; Excavators being excavating machines; Loader buckets for excavators; Power-operated tools, namely, mobile grinders for mining; Power drill bits for mining; Drills for the mining industry; Structural machine parts for mining machines, namely, excavator bucket teeth, bucket adapters being shanks, power-driven insulated pincers, and wear based plates and strips