Show HOLES gravel Is mixed with heavy road oil which acts as binder use a concrete mixer the modern scheme of protecting road surfaces with sprayed oil has developed a new method of patching holes gravel is mixed with a 0 heavy rod road oil which acts as a binder this Is pre prepared lared la in advance and carted to tile the place where tile the patching Is to be done L loss ss gravel is needed than nhan hen it is used dry because the 10 hole e need e d be filled only level and tamped camped while with the ordinary method the patching gravel must be heaped above the normal surface of the road where re patching atchle in on oil a large scale sea is to be done a concrete 1 C te mixed can be used to prepare tile the mixture popular ma magazine ga zine |