If or once you get a new lens, a Plano-Convex lens, the rounded side should be facing UP and also the flat facet DOWN. To tell that is which, set the lens in front of you, If you're able to see your reflection in it, https://www.redsaillaser.com/
chinese laser cutter Can Be Fun For Anyone
Internet 73 days ago rsaueqt496061Web Directory Categories
Web Directory Search
New Site Listings