Nyali zatsopano zotsimikizira kuphulika zomwe zimagwiritsidwa ntchito m'malo oopsa momwe mpweya woyaka ndi fumbi ulipo, zomwe zingalepheretse arcs, zipsera, ndi kutentha kwakukulu komwe kungachitike mkati mwa kuwalako kuchokera pakuyatsa mpweya woyaka ndi fumbi m'malo ozungulira, motero amakwaniritsa zofunikira zoteteza kuphulika.