Fashewar Shenhai-Hujja
A karkashin yanayi na al'ada, Iron foda baya ƙonewa amma yana jurewa iskar oxygen a cikin iska. Duk da haka, idan aka ba da sharuddan da suka dace, hakika yana iya konewa.
Take, misali, wani labari inda ka kunna beaker da 50% abun ciki na barasa. Idan kun gabatar da adadi mai yawa na baƙin ƙarfe foda, zafi shi a cikin beaker, sa'an nan kuma a watsar da shi tare da bangon beaker a nesa na santimita biyu zuwa goma sha biyar, zai kunna wuta. Musamman, nanoscale iron foda yana iya ƙonewa a cikin iska.