Purchase of sandpaper Common sense - the larger the number of sand grains, the larger the sand grain size, use NO: P: two ways to mark the size of the sand grain, there is also a way. For grinding the surface of wood, use sandpaper or emery cloth from…
the purchase of the keyboard 1. touch of the keyboard As the input device with the most daily contact, the feel is undoubtedly the most important. The feel is mainly determined by the strength of the keys and the degree of resistance to the keys. To…
Purchase of desk calendar Choice of styles: Desk calendar is one of the daily necessities at home. To make a desk calendar, you must first choose the style. Desk calendars can be divided into two types: horizontal and vertical. You can make changes on…
the purchase of sleeping bags Before buying a sleeping bag, ask yourself these questions? What is the low temperature in the environment where I am participating in the activity? Do I really care about weight? How much am I going to spend? If you only…
The purchase of raincoats Outside the raincoat package, there is a comparison table for selecting the size of the raincoat based on the height. However, because the raincoats manufactured by the raincoat manufacturers on the market have different sizes,…