gears made of polymer materials on a black background are used for technical tasks in various fields of instrument making and elec

appliances are background black brasenia chaste components currently cvet elec equipment fields gear gears instrument kachastvo kolesa machines made making markirovka materials mechanisms mechanizmy mehanicheskie metal obrabotka office okraska peredacha plastic polymer polymers produkcija soedinenie sovremennie tasks technical technologie types used usly various vehicles vysokoprochnykh zapasnye zateplenie zobrazenie zubia