7212 Contractorsand Supervisors, Electrical Trades and Telecommunications电与通讯承包人，监督人7217 Contractorsand Supervisors, Heavy Construction Equipment Crews建筑设备队承包人，监督人7216 Contractorsand Supervisors, Mechanic Trades机械贸易承包人，监督人
7344 Jewellers, Watch Repairers and Related Occupations珠宝商，修表工及与次相关的职业
5226 Motion Pictures, Broadcasting (other Technical and Co-ordinating Occupations)动作图片，广播(其他技术和同纵坐标相关连的职业)
7291 Roofers and Shinglers盖屋顶的人和木瓦工
9212 Supervisors, Petroleum, Gas and Chemical Processing and Utilities石油，汽油和化工加工与利用管理人