Sources of arm pain are numerous, affecting the muscles, tendons, ligaments, and bones of the arm, shoulder, elbow, wrist, hand, and fingers. If youâre experiencing a strange pain, tenderness, or numbness in your arm, and you donât know why, consider the following 10 common causes of arm painâ¦. ADVERTISEMENT.
abrasion. n. 1. the process of scraping or wearing down by friction. 2. a scraped area or spot; graze. 3. (Physical Geography) geography the effect of mechanical erosion of rock, esp a river bed, by rock fragments scratching and scraping it; wearing down. Compare attrition 4, corrasion.
NFPA 484 2015 EDITION â STANDARD FOR COMBUSTIBLE METALS REVISIONS AND THE ABRASIVE BLASTING INDUSTRY. Abrasive (media) blasting is a process that does in fact generate dust and in many applications, a combustible metal dust. However, until the 2015 edition of NFPA 484 abrasive blasting hasnât been included or listed as a process within the standard.