Show SOME CAUSES OF DAMAGE TO TIRE TI When wheels am aro out of line for any reason I t tho the result Is 11 a II scrap scrap- sc I c log Ing which wears earS away awas tl tread surface Instead of run run- running ning straight ahead and anil accepting the tho natural traction surface friction fric- fric friction tion the thc Is la compelled virtual virtual- virtually virtually ly 10 to slid skid alonG alone This condition frequently Is la laths the tho mutt fault of ar bent lent axles but not al al- al always ways way It nUl nay be 1 B o broken spring 16 P B shackles sprung frames amea s sloe steering ring bent Orn orn out bearings or 01 wobbly wheels |