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Processing of tongues
All types of tongues are restored by overlay welding with a wear-resistant material and follow-up mechanical processing. New tongues for rail and tongue profile are created. Used tongues for switches R300 can be converted into tongues for switches R190; straight tongues can be converted into deviation tongues, and elastic tongues can be converted into thrust tongs. The converted tongues have the same strength and geometric properties as the brand-new ones. They can both be used in departmental and railway station tracks of the railway infrastructure. Their guarantee period is thirty-six months as of the date of installation.