The artificial lighting based on multiple-primary light-emitting diodes (LEDs) or multiple-primary laser diodes (LDs) makes the diversity of colors by freely and simply adjusting the emission spectra of rays from these semiconductor devices. It brings the possibility that the artificial lighting matches well with the photosynthetic spectral sensitivity curves of most plants including ... https://www.roneverhart.com/GLYKON-BAYONET-BEAD-BLAST-OVERLAY-STONEWASH-STANDARD-NICKEL-BORON-INTERNALS-184-10/