From professional translators, enterprises, web pages and freely available translation repositories.
alumina, silicon, germanium, zinc sulphide, zinc selenide, gallium arsenide, diamond, gallium phosphide, sapphire and the following metal halides:
hliník, kremík, germánium, sírnik zinočnatý, selenid zinočnatý, arzenid gália, diamant, fosfid gália, zafír a tieto halogenidy kovov: