Shenhai Kuphulika-Umboni
Kuwala kotsimikizira kuphulika kwa 170w komwe kumagwiritsidwa ntchito m'malo owopsa komwe kumakhala mpweya woyaka ndi fumbi, zomwe zingalepheretse arcs, zipsera, ndi kutentha kwakukulu komwe kumatha kuchitika mkati mwa nyali kuchokera pakuyatsa mpweya woyaka ndi fumbi m'malo ozungulira., motero amakwaniritsa zofunikira zoteteza kuphulika.