Kodi kusunga nkhuni kunja?

Chimodzi ndicho kuchepetsa chinyezi cha nkhuni.Nthawi zambiri, chinyezi chikatsika mpaka 18%, zinthu zovulaza monga nkhungu ndi bowa sizingachuluke mkati mwa nkhuni;
Chachiwiri ndi mafuta a Paulownia.Mafuta a Tung ndi mafuta a masamba omwe amawumitsa mwachangu, omwe amatha kutengapo gawo poletsa dzimbiri, kuletsa chinyezi, komanso kuteteza nkhuni ndi tizilombo.
Mfundo yake ndi iyi:
Choyamba, monga mafuta a masamba achilengedwe achilengedwe, mafuta a tung sadzakhala ndi zotsatirapo zoipa pa nkhuni, koma adzalimbitsa, kuwalitsa ndi kuonjezera ubwino wa nkhuni.
Mitengo ikapaka utoto kapena kuviikidwa mu mafuta a tung, mafuta a tung amadzaza mkati mwa matabwa, kotero kuti kapangidwe ka matabwa kawonekere kokulirapo, ndipo zinthu zovulaza monga nkhungu ndi bowa sizingakhalemo.Kuphatikiza apo, mafuta amafuta a tung pawokha amathanso kutengapo gawo pakuletsa madzi, kutsimikizira chinyezi komanso ngakhale kutsimikizira kwa tizilombo.Kutalika kwa zotsatira zake ndikwambiri.Nthawi zambiri, zimakwanira kutsuka matabwa akunja kamodzi pachaka, ndipo ena amatsuka kamodzi pazaka ziwiri kapena zitatu zilizonse.Mwachidule, zotsatira za mafuta a tung pa nkhuni zimakhala zazikulu kwambiri.