Trade certification for communications electrician (construction craft) is available, but voluntary, in Alberta, the Yukon, 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。

youdao

Trade certification is available, but voluntary, in Manitoba, 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。

youdao

Canada's northernmost territories Yukon, Northwest Territories and Nunavut cover more than 3.5 million square kilometers.

VOA: standard.2010.02.19

The five-day trip through Nunavut, the Northwest Territories and the Yukon was designed to portray Mr Harper as a man who is both comfortable in, and in control of, the two-fifths of Canada that lies north of the 60th parallel.

ECONOMIST: The prime minister tries to marry defence and welfare