As shown below:
Grinding Grinding
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Grating production
This kind of grating is used when the need for higher resistance to other gratings is felt and the lesser weight is considered by the grating designer. Because in this kind of grating, the production method is different and no welding or shearing on the straps is created. But the interface and the grate bar are forged with an electroforming machine, and so-called "resistance boil".
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