We also found ourselves running off the edge of the narrow pad occasionally, while clicking left or right required as much force as pushing the hard plastic dome in the board game Trouble. (laptopmag.com)
He designed a large plastic dome for his underwater camera to allow him to photograph above and below the water at the same time. (newscientist.com)
Similar to Google's Street View cars, the vacuum has a small plastic dome on top of it that houses its lens system. (canadianbusiness.com)