Birta la jeexjeexan waa mid waara, oo ka dhagaashada hubka kiimikada caustic, dareeraha wasakhda leh, saliida, iyo gaasaska, iyo hunguriga, iyo kuleylka dhaadheer. Nooca 304 bir oo aan biqil lahayn, shey koromomium-nickel-nickel-nickel-nickel, oo ay ka dhalataan biyo, kuleylka, saliida, aashitada, macdanta, iyo carrada peatley, iyo carrada peat.