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.
通信电工线路业认证施工工艺是可用的，而在阿尔伯塔省，育空地区，西北地区和努纳武特地区是自愿的。
Trade certification for communications electrician (construction craft) is available, but voluntary, in Alberta, the Yukon, the Northwest Territories and Nunavut.
行业认证可用，但在曼尼·托巴省，阿尔伯塔省，育空地区，西北地区和努纳武特地区是自愿的。
Trade certification is available, but voluntary, in Manitoba, Alberta, the Yukon, the Northwest Territories and Nunavut.
通信技术人员行业认证可用，但在不列颠哥伦比亚省，阿尔伯塔省，新斯科舍省，西北地区和努纳武特地区是自愿的。
Trade certification for communication technicians is available, but voluntary, in Nova Scotia, Alberta, British Columbia, the Northwest Territories and Nunavut.
通信技术人员行业认证可用，但在不列颠哥伦比亚省，阿尔伯塔省，新斯科舍省，西北地区和努纳武特地区是自愿的。
Trade certification for communication technicians is available, but voluntary, in Nova Scotia, Alberta, British Columbia, the Northwest Territories and Nunavut.
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