An installation for fabricating parts by selective melting of powder, the installation including a vessel including a bottom constituted by a movable plate, a mechanism bringing powder into the vessel, and a mechanism generating and moving a laser beam or an electron beam configured to give rise to selective melting of the powder in the vessel. A method for forming a layer of carbon-doped silicon oxide on a substrate, which uses the stabilized alkene composition and a silicon containing compound. By selecting the image to be composited in accordance with the vehicle speed, the traffic lane marking lines can be recognized unerringly. A noncompliant tubular hoop having a split therein is positioned in the lumen. The invention further provides a micro-electro-mechanical-system technique for fabricating the probing device on a semiconducting substrate.