Class D, Class N, or D/N: What Hi-Vis Ratings Actually Mean
Class D, Class N, and D/N look similar on a hi-vis label but mean very different things about when a garment is actually safe to wear.
William Livas |
Class D, Class N, and D/N look similar on a hi-vis label but mean very different things about when a garment is actually safe to wear.
William Livas |