Branson's one-person submersible is made from carbon fiber, titanium, and has a quartz viewing dome.
布兰森的一人潜水器是由碳素纤维、钛制成，并有一个石英观望圆顶。
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Normally, silicon carbide is produced by heating sand (which is made of quartz, or silicon dioxide) in an electric furnace with carbon made from oil or coal.
Indoors light is furnished by carbon arc lamps incandescent bulbs and quartz bulbs. the basic indoor lights are spotlights and floodlights. spotlights throw a beam of concentrated intense light.