Carpenters are generally divided into two classes. Rough carpenters assemble the frameworks of buildings and install windows and doorways, among other framing projects. Finish carpenters specialize in interior work like laying floors or installing cabinets. Many do both. Carpentry jobs are expected to grow 20 percent by 2020. An apprenticeship helps you get your foot in the door though many pick up the carpentry trade on the job. For entry into unions or construction associations, apprentices need 144 hours of technical training, including training in basic carpentry, blueprints, mathematics, building codes, safety and first aid.
木匠大致分为两类，木工装配和安装窗门，其它框架安装等。室内工作室的铺设地板，或者安装门柜。到2020年，木工需求将增长20%，一个学徒，可以积累许多木工工作经验。加入木工协会，需要144个技术培训，包括基本的木工、制图、教学、建筑、安全等。
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