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There are two main types of smoke alarm tech, says Raman Chagger, principal consultant at BRE, the Building Research Establishment. Ionisation-based systems use a tiny amount of radioactive material to charge, or ionise, particles in the air which flow between two small plates. Should smoke interrupt that flow of charged particles, the alarm goes off.
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5AE COUNTR - SLCTR TST_SEL_CS PTSELE ; test selector (in LCALL delay slot)
Власти Сербии обсуждают выкуп контрольного пакета акций «Нефтяной индустрии Сербии» (NIS). Об этом заявила министр горного дела и энергетики Сербии Дубравка Джедович-Ханданович, ее цитирует РИА Новости.