11-08-2015, 08:30 PM
many times, metal barrels have markings as to what is in them, for instance
in car repair it may be oil but what brand and type...
and is like a part number for inventory purposes. so XYZ 157 is the part number
for what is inside the barrel.
in car repair it may be oil but what brand and type...
and is like a part number for inventory purposes. so XYZ 157 is the part number
for what is inside the barrel.