Tungsten Carbide iyo chrome Coatings waa kuwo aad u adag oo leh caabbinta xirashada sare.Kaliya giraangiraha dheemanka shiida ayaa si xor ah u shiidi kara.Taayiradayada dheemanka wax lagu shiido waxay shiidi karaan dahaarka Tungsten Carbide, Chrome, Nickel, Ceramic.