The reason we think of a prince as being the son of a king or queen is that in the late 1200s king Edward I invaded Wales and the Welsh king was killed.
Mobile crane operator (hydraulic) trade certification is compulsory in Quebec and available, but voluntary, in PrinceEdward Island.
移动式起重机操作员行业认证(液压)在魁北克省是强制性的，而在爱德华王子岛省是自愿的。
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Small engine or equipment mechanic trade certification is available, but voluntary, in Newfoundland and Labrador, PrinceEdward Island, New Brunswick, Ontario and Nunavut.