Elevator constructor and mechanic trade certification is compulsory in Quebec and Alberta and available, but voluntary, in British Columbia, the Northwest Territories and Nunavut.
在魁北克省和阿尔伯塔省电梯制造商和修理工行业认证是强制性的，但在不列颠哥伦比亚省，西北地区和努纳武特地区是自愿的。
Elevator constructor and mechanic trade certification is compulsory in Quebec and Alberta and available, but voluntary, in British Columbia, the Northwest Territories and Nunavut.
在魁北克省和阿尔伯塔省电梯制造商和修理工行业认证是强制性的，但在不列颠哥伦比亚省，西北地区和努纳武特地区是自愿的。
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