1. Hopper ikhoza kupangidwa ndi kalasi ya chakudya 304 # ss kapena pp, ex, ex., kapena imatha kupangidwa ndi chitsulo cha kaboni. Onse okonzedwa ndi kuwomeredwa manja, zinthu zomwe zimagwiritsidwa ntchito ndi zolimba komanso zomveka, zimakhala ndi zowoneka zosavuta kuti zisokoneze, kugwiritsa ntchito kutentha, kutentha kwapamwamba komanso kwakukulu.
2. Imatha kuthamanga kuthamanga kwambiri, mpaka 30m³ pa ola limodzi, mosalekeza mosalekeza kapena kungopereka mawu osakhalitsa ndipo imatha kuphatikizidwa ndi zida zina zodyetsa.
3. Itha kukhala ndi zida zowongolera zowongolera zowongolera zamagetsi, zowonjezera padongosolo lakunja, litha kugwira ntchito pawokha kapena pazida zina zothandizira, zomwe zili zosavuta komanso zosavuta.