/ H5 e! x2 @, _4 J7 Fa valid Alberta Qualification Certificate in a compulsory or optional trade, or 6 k( N5 t/ R2 d# V7 c" Wa valid Alberta Apprenticeship and Industry Training (AIT) Recognized Trade Certificate in a compulsory or optional trade. ) h6 g5 r6 R4 p% a$ C1 O! x T# M4 _9 i, l7 c, T