The skis worked each on snow and drinking water, and also the process proficiently allowed the plane to land on h2o, land, snow or ice.Perfect for industrial electrical and electro-mechanical equipment troubleshooting and maintenance apps. Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)Hook up-and-Perspective trig