Mesh Screen is also called "Mesh Edition", "Mesh Edition", and "Mesh Edition". An optical tool used in photoengraving to form dots on a photosensitive film. The screen commonly used in letterpress and lithographic plate making uses two optical glass engraved with equal-width black and white parallel......

Coffee filters are made of paper and metal. For paper, you need to put filter paper into the filter cup to dilute the coffee. For metal, you can directly put the brewed coffee into it. Usually, metal is better than paper. It is good, can make the coffee emit a stronger aroma, after each use, be sure......

Metal etching is a technique for removing materials using chemical reaction or physical impact. Metal etching technology can be divided into two types: wet etching and dry etching. Metal etching is composed of a series of complex chemical processes, and different corrosives have different corrosion ......

Metal Etching is the key to the pattern decoration process of the metal plate mold. To obtain a pattern product with clear stripes and strong decorativeness, attention must be paid to the conditions of the etching process.

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