35 Trade association services, namely, promoting the interests of professionals in the specialized transportation, machinery moving, machinery erecting, industrial maintenance, millrighting, crane and rigging industries; trade association services, namely, political advocacy services promoting public awareness of issues relating to the specialized transportation, machinery moving, machinery erecting, industrial maintenance, millrighting, crane and rigging industries and the professionals in the specialized transportation, machinery moving, machinery erecting, industrial maintenance, millrighting, crane and rigging industries