American business profited greatly from an inexhaustible supply of unskilled and semiskilled workers 美国企业得益于非熟练型与半熟练型劳动力源源不断的供给。
2.
Secondly , the registration system can foster a quality culture in the construction industry by mapping out a clear career path along a three - tier model , namely , registered skilled worker , registered semi - skilled worker and registered general worker , thereby motivating the workers to aim for higher skill levels , thus higher status and more income 第二，注册制度亦确立了工人的三个级别，即注册熟练技工、注册半熟练技工和注册普通工人，为工人提供明确的晋升阶梯，促使工人提升自我的技术水平，以提高个人地位和增加收入，并且有助建立重视质素的建造文化。
