?óng T?p chí tri th?c tr?c tuy?n Xu?t b?n Tác gi? Kinh doanh Công ngh? S?c kh?e ??i s?ng Gi?i trí Th? thao The skis labored the two on snow and h2o, as well as the program efficiently permitted the aircraft to land on drinking water, land, snow or ice. T?ng s?