Garden shears, and most of the garden tools designed for circular arc and semi oval, the main advantages are the following:
1, reduce friction resistance.
Reduce the friction between scissors and trees and shrubs. For branches, dry density of plants, in order to better and more accurate pruning to the various branches, such as parallel branches, cross branches. Therefore, most of the cutting tools designed for circular and semi oval.
2, to prevent error pruning.
Long time pruning, it can easily be part of scissors and shrub "wrong", in order to prevent the error caused by long-term pruning pruning ", some experts believe that the pruning shears should be designed as an arc shape. But does not include hedge shears.
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