1. Hopper ikhoza kupangidwa ndi kalasi ya chakudya 304 # SS kapena PP, ABS, etc., kapena ikhoza kupangidwa ndi chitsulo cha carbon. Zonse zopangidwa ndi manja ndi zowotcherera kuti zipangidwe, zida zomwe zimagwiritsidwa ntchito zimakhala zamphamvu komanso zomveka, zimakhala ndi maonekedwe okongola, osakhala ophweka kusokoneza, okhazikika, okhazikika, okhazikika, otsika komanso otsika kutentha, komanso mphamvu yaikulu yotumizira.
2. Imatha kuthamanga kwambiri, mpaka 30m³ pa ola, kutumiza mosalekeza kosalekeza kapena kwapakatikati ndipo imatha kulumikizidwa ndi zida zina zodyera.
3. Ikhoza kukhala ndi odziimira pawokha ulamuliro ntchito bokosi magetsi, kukulitsa kulamulira kunja doko, akhoza kugwira ntchito paokha kapena mndandanda ndi zipangizo zina zothandizira, amene ndi yabwino ndi yosavuta.