How to choose stainless steel cups 1. After adding water to the cup, tighten the cork and lid in a clockwise direction, and place the cup flat on the table. There should be no water leakage. See if the tightness is good. 2. Check whether the vacuum insulation…
How to choose stainless steel vacuum flask 1. After adding water to the cup, tighten the cork and lid in a clockwise direction, and place the cup flat on the table. There should be no water leakage. See if the tightness is good. 2. Check whether the…
How to choose the water pipe and hose? 1. Look at the shape. When purchasing a water pipe, you can see whether the shape of the water pipe is straight and whether it is deformed or twisted. Whether the surface of the water pipe is smooth and the color…
How to choose the mesh of water sandpaper? It is necessary to first look at the material of the workpiece and the smoothness of the surface of the workpiece, so as to achieve the desired degree of polishing. For example, when grinding wood, leather and…
How to choose a bowling ball 1. Playing, straight line, flying saucer and arc are three different ways of playing, and the balls you choose are also different. 2. Tee off, choose a ball that suits your style of play and weight. Find a professional arena…