熟练工

A small percentage of the workers are unskilled.

少数工人是非练工。

He lists himself as a skilled worker.

他把自己练工人。

The scarcity of skilled workers is worrying the government.

练工人的缺乏困扰着政府。

Average earnings for unskilled workers are decreasing now.

非练工人的平均工资今正在降低。

The unskilled section of the working class was diminishing as a proportion of the workforce.

劳动力中非练工人的人数正在减少。

Licensing of Electrical Contractors, Master, Journeyman and Residential Wireman electricians.

发牌的电业商，硕士，练工和住宅wireman电工。