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Show TIRES HAVE W PARTS Motorist Should Le?rn More Of His Tires; They Are Important Features The average motorist knows consid-61 consid-61 iblj more about dozens of pruts in i his car than ho does about his tires, I I even though a tire has only five prln-j I clpal parts. These are the carcass.! I the tread, the bead, the side-wall and1 I the breaker strip. The carcass is made of layers or piles of fabric impregnated with rub-, ber. Fabric Is used to give the casing cas-ing tensile strength, while the rubber I holds it together and gives it wearing qualities. The bead vrives shape to the tire and anchors n to the rim In the clincher' tire, this brad Is made of elastic rub-J ber. a it musl stretch in order to get1 the tire on the rim In the straight side Hi. the bead is made of wire' ' imm-iiucu in iiriiii i uouer, as me rim ma) be slit to mount the tire. Here there Is no need of stretching The side-wall is the light rubber covering on the sides of the tire as far us the tread Its purpose Is to protect the carcass from injurv by tho elements The breaker strip supplies the maximum maxi-mum amount of resiliency between the tread and the ;,n (ss it is Just under the tread, and is made of web-woven web-woven fabric Imbedded in cushion gum. It flrml rivets tread and car-ca car-ca ss. The tread Is the running surface of' the tire It is made of heavy rubber carefully compounded, according to1 Miller tire men, to give maximum wearing qualities A design is molded In the tread for traction purposes. |