In the industrial field, it has the effect of polishing, dust removal and cleaning. A brush is an indispensable tool, and a good brush is recognized and welcomed. It should have the following basic characteristics. Snow removal roller 1. Whether the quality of the bristles is good. Check whether the bristles are neat and arranged in an orderly manner, and whether the gap between the brush handle at the bottom is reasonable, and feel whether the bristles are rough or uneven. 2. Check whether there is hair loss. When working on the equipment in the industry, and when brushing shoes and clothes, the upper of the shoe is brushed to see if there are sporadic bristles, and after use - whether the lower bristles will fall off, how many times have you brushed? The bristles are not durable after use. 3. Whether the bristles are natural materials? A good brush should have natural bristles. Most natural bristles are animal hair, especially for cleaning. The bristles should be neat, moderately elastic, not deformed, and will not lose hair. , easy to use and durable.