7 Blowing machines for the compression, exhaustion and transport of gases; Compressed air pumps; Electric motors for machines; Line striping machines; Machine parts, namely, bearing inserts; Machine parts, namely, couplers and semi-couplers of synthetic material; Machine parts, namely, rollers coated with synthetic material; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Trims for engine exhausts; air filters for motors and engines