Epoxy resin or adhesive contains an artificial substance which sets hard when it is heated or when pressure is applied to it.
N-UNCOUNT: oft N n
Epoxy resin or adhesive contains an artificial substance which sets hard when it is heated or when pressure is applied to it.
N-UNCOUNT: oft N n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012