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　　There are obvious differences in design and function between semi-closed hook group and fully enclosed hook group. The following is a detailed explanation of the differences between the two:

　　Structural design:

　　Semi-closed hook group: Usually only the upper part is covered, the lower part is an open design, and the hook is in a semi-closed state. Its structure is mainly composed of the body, a hanging rope and a connecting device. The hook column is equipped with a hanging frame and a lifting hole, as well as rotating rollers and other components.

　　full enclosed hook group: The overall adopts a wrap-around design, and the hook is completely enclosed in the protective cover, which has better enclosure. This design is designed to prevent external debris, dust, etc. from entering, and reduce corrosion and damage to the hook surface.

　　Protective performance:

　　Semi-enclosed hook group: Although it can prevent dust, rain and other weather factors from entering to a certain extent, its protective performance is relatively weak.

　　Fully enclosed hook group: has higher protection performance, can block external debris, dust, etc., and protect the hook from the influence of the external environment.

　　Safety performance:

　　Semi-enclosed hook group: suitable for indoor lifting and other environments, but when used outdoors or harsh environments, safety may be affected to a certain extent.

　　Fully enclosed hook group: It can provide higher safety during lifting operations, reduce the risk of people's misoperation or accidental contact with the hook, and avoid accidents.

　　Usage scenario:

　　Semi-enclosed hook group: more suitable for indoor lifting and other environments.

　　Full-enclosed hook group: more suitable for outdoor construction sites, such as steel structure hoisting in high-rise buildings or bridge hoisting.

　　To sum up, there are obvious differences between semi-enclosed hook group and fully enclosed hook group in terms of structural design, protection performance, safety performance and use scenarios. Which hook set to choose depends on the specific lifting requirements and usage environment.

　　There are obvious differences in design and function between semi-closed hook group and fully enclosed hook group. The following is a detailed explanation of the differences between the two:

　　Structural design:

　　Semi-closed hook group: Usually only the upper part is covered, the lower part is an open design, and the hook is in a semi-closed state. Its structure is mainly composed of the body, a hanging rope and a connecting device. The hook column is equipped with a hanging frame and a lifting hole, as well as rotating rollers and other components.

　　full enclosed hook group: The overall adopts a wrap-around design, and the hook is completely enclosed in the protective cover, which has better enclosure. This design is designed to prevent external debris, dust, etc. from entering, and reduce corrosion and damage to the hook surface.

　　Protective performance:

　　Semi-enclosed hook group: Although it can prevent dust, rain and other weather factors from entering to a certain extent, its protective performance is relatively weak.

　　Fully enclosed hook group: has higher protection performance, can block external debris, dust, etc., and protect the hook from the influence of the external environment.

　　Safety performance:

　　Semi-enclosed hook group: suitable for indoor lifting and other environments, but when used outdoors or harsh environments, safety may be affected to a certain extent.

　　Fully enclosed hook group: It can provide higher safety during lifting operations, reduce the risk of people's misoperation or accidental contact with the hook, and avoid accidents.

　　Usage scenario:

　　Semi-enclosed hook group: more suitable for indoor lifting and other environments.

　　Full-enclosed hook group: more suitable for outdoor construction sites, such as steel structure hoisting in high-rise buildings or bridge hoisting.

　　To sum up, there are obvious differences between semi-enclosed hook group and fully enclosed hook group in terms of structural design, protection performance, safety performance and use scenarios. Which hook set to choose depends on the specific lifting requirements and usage environment.