3. material maintenance (Maintenance/Repair/Operating Supplies) is a piece of machinery or spare parts are original parts when changing the tolerance, damaged, or expired.
3. Material Maintenance (Maintenance / Repair / Operating Supplies) is spare parts or equipment for which spare parts when replacing old or broken expire.
3. Material maintenance (Maintenance / Repair / Operating Supplies) is parts or parts of machinery as a backup for change when the original piece was broken or the end of life.