| http://www.w3.org/ns/prov#value | - In order to rigidly secure the scraper arm 4 to the vehicle in proper relation to the wheel or wheels thereof a brace 12 is employed having an upwardly turned end 13 provided with a suitable opening 14 through which a bolt, screw or other fastening device is passed, and through the opening 5 formed in the downwardly projecting portion of the scraper arm, said suitable fastening device being also p
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