dye+deep

  • 131Leather crafting — is the practice of making leather into craft objects or works of art, using shaping techniques, coloring techniques or both.Leather coloringLeather dyeing usually involves the use of spirit or alcohol based dyes where alcohol quickly gets… …

    Wikipedia

  • 132Copper vapor laser — (CVL) uses vapors of copper as the lasing medium in a 3 level laser. It produces green laser light at 510.6 nm and yellow laser light at 578.2 nm. The pulse width is typically from 5 to 60 ns, and peak power from 50 to 5000 kW. Its pulse… …

    Wikipedia