1. Igwe a na-abụkarị nke usoro ntanetị nnyefe nke mpaghara, usoro ihe ngbanwe nke karama, ọkpụkpụ, ntụ ntụ ntụ ntụ, wdg.
2. Igwe na-akpaghị aka na-atụgharị sterilization, nrụpụta onwe ya, na okpomọkụ dị elu nke ihe dị na karama na-eme disinfection n'oge usoro ahụ, ọ dịghị mkpa ịgbakwunye ihe ọ bụla na-ekpo ọkụ, na-eru ebumnuche nchekwa ike.
3. Ahụ nke igwe na-eji ihe SUS304, mara mma ma dị mfe iji.