Hatto mayda chang zarralari ham jiddiy baxtsiz hodisalarga olib kelishi mumkin.
Odatiy yonuvchi changlar:
Bularga metall chang kiradi, yog'och chang, don changi, ozuqa chang, klinker chang, va ko'proq metall chang.
Oldini olish strategiyalari:
Muntazam tozalashni amalga oshiring, samarali changni tozalash, portlashni yumshatish choralari, to'g'ri shamollatish, va olov manbalari ustidan qattiq nazorat.