- Monga mtengo wotentha kwambiri komanso wa utoto
Zida zopangidwa mwaluso zomwe zimagwiritsidwa ntchito, monga kukula kwa kristalo, zotuwa zoyenga zamagawo, ziboliboli, zokutira zoyambira, zokongola, zonse zidakonzedwa kuchokera kuzitsulo zazitali zoyera. Zida zokutira ndi zokutira zomwe zimagwiritsidwa ntchito pamutu wosungunuka, komanso zigawo monga machubu okhazikika kwambiri machubu, ndodo, ndi ma grille, zimapangidwanso ndi zida zojambulajambula.
- Monga kuponyera ndikumukakamiza nkhungu
Kugwiritsa ntchito zida za carbon ndi graphite kumakhala ndi kofunikira kwambiri pakukula kwa matenthedwe komanso kukana kwabwino kuziziritsa komanso kutentha, motero angagwiritsidwe ntchito ngati nkhungu kwa galasi komanso chotupa, kapena zitsulo. Mamitundu omwe amapezeka kuchokera ku ma graphite nkhuni kukhala ndi kukula kolondola, mawonekedwe osalala, ndipo amatha kugwiritsidwa ntchito mwachindunji popanda kukonza kapena pokonza pang'ono, motero amasunga chitsulo chachikulu. Njira za metallorgy monga kupanga zolimba zolimba (monga cangsten Carbide) amagwiritsa ntchito zida zojambulajambula kuti mugwiritse ntchito magetsi ndi zozizwitsa.
Post Nthawi: 3 月 -20-2024