Show METHOD OF PATCHING HOLES gravel Is mixed with heavy no hoad adOlf af which acts acta as 8 binder use mi 01 Con concrete crt mixer tile modern seli scheme cine of protecting remd surfaces with sprayed oil liua do de cooped A new method of patching 7 holes gravel to is mixed with a lipavr rord oil which nets acts us as a binder it Is prepared lit in advance and carted to tho the place where tiia the patching Is to IM be dour done lh less gravel Is 1 needed alian it la Is used try dry because tho the hole need be filled only level and tani ped alof ll of with lh tie the ordinary method the grovel gravel must be heaped above tit tin normal surface of the road where patching on oil a largo large ecale Is to bo be dune done uk ui concrete mixed can bo be used to prepare pre paro tile the mixture mechanics magazine |