N Nader New member Nov 21, 2010 #1 ...process differ from washing? In coal seams , for determinig some specifications of coal samples it is usual to investigate about unwashed(raw) samples and washed samples . I want to know cleaning process is same as washing process or not .
...process differ from washing? In coal seams , for determinig some specifications of coal samples it is usual to investigate about unwashed(raw) samples and washed samples . I want to know cleaning process is same as washing process or not .
