Air filters for pneumatic controls being part of machines; Automatic swimming pool cleaners and parts therefor; Bearings, as parts of machines; Clutches for machines; Compressors for refrigerators; Heat exchangers being parts of machines; Machine parts, namely, bearing inserts; Machine parts, namely, bearings; Machine parts, namely, blades; Machine parts, namely, grindstones; Machine parts, namely, roller bearings; Machine parts, namely, rollers coated with synthetic material; Replacement parts for chain saws, namely, bars and chains; Tractor-towed agricultural instrument grab attachments, namely, buckets, grapples and forks; Valves being parts of machines; Vehicle engine parts, namely, oil tank plugs and caps; Wheel loaders; Wheels being parts of machines; Machine parts, namely, mechanical seals