8-Piece Parts Washer Cleaning Kit Lab Supplies_Lab Burner Accessories a distinctive density reference against

a distinctive density reference against the lighter aluminum and heavier steel cylinders

this resistance box at plus-or-minus 1% on each step replaces dozens of fixed resistors at the bench

75-inch frame for bench storage between uses in teaching chemistry and biology labs

restoring UV-C output in the compatible goggle sanitizer cabinet once the original lamp reaches end of service life

8-Piece Parts Washer Cleaning Kit Lab Supplies_Lab Burner Accessories a distinctive density reference againstEight piece parts washer cleaning kit combining nylon and bristle brushes, a pick, and baskets for scrubbing metal parts in workshop and garage environments.