Business Browser: Classification

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2022

Classification of mouse

Classification of mouse Rolling ball mouse: The rubber ball is driven to the grating wheel with the crystal pulse signal sensor of the light-emitting diode and the phototransistor. Optical mouse: light source pulse signal sensor with light-emitting semiconductor…

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2022

Common classification of keyboards There are two types of conventional keyboards: mechanical keys an

Common classification of keyboards There are two types of conventional keyboards: mechanical keys and capacitive keys. In the industrial computer keyboard, there is also a keyboard with a light touch membrane key. The mechanical keyboard is the earliest…

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2022

Classification of keyboards

Classification of keyboards 1. Mechanical keyboards use similar metal contact switches. The working principle is to make the contacts turn on or off. It has the characteristics of simple process, high noise, easy maintenance, strong sense of rhythm when…

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2022

Classification and characteristics of hats

Classification and characteristics of hats 1. Bucket hat The fisherman hat is a very popular hat style in recent years. It is called the fisherman hat because this hat is modified from the hats worn by fishermen who fish by the sea. This kind of hat…

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2022

Material classification of labor protection gloves

Material classification of labor protection gloves 1. Leather, mainly pigskin, cowhide, sheepskin, artificial leather and artificial leather. 2, glue, mainly rubber, natural latex, nitrile rubber. 3. Cloths, mainly knitted fabrics, canvas, functional…

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