Фото: Stringer / Reuters
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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Don't feel down if you didn't manage to guess it this time. There will be a new Wordle for you to stretch your brain with tomorrow, and we'll be back again to guide you with more helpful hints. Are you also playing NYT Strands? See hints and answers for today's Strands.
（五）破坏依法进行的选举秩序的。
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Сейчас в городе закрыты школы, разрушены многие больницы. Экстренные службы занимаются восстановлением города.