H-gawo zitsulo ndi mtundu wa gawo chuma ndi mkulu-mwachangu gawo ndi wokometsedwa kwambiri cross-Sectional kugawa dera.
ndi chiŵerengero chololera cha mphamvu ndi kulemera.chitsulo chooneka ngati H chili ndi ubwino wopindika mwamphamvu
kukana, kumanga kosavuta, kupulumutsa mtengo ndi mawonekedwe opepuka mbali zonse.