1. Igwe a bụ sistemụ nnyefe mpaghara, sistemụ mgbanwe karama ahụ, rack, ntuziaka ntụgharị karama, wdg.
2. Igwe ahụ na-agbanwe sterilization ozugbo, na-agbanwe onwe ya, na oke okpomọkụ nke ihe dị n'ime karama ahụ na-eme ihe na-egbu nje n'oge usoro ahụ, ọ dịghị mkpa itinye isi iyi okpomọkụ ọ bụla, na-eru ebumnuche nchekwa ike.
3. Ahụ igwe ahụ na-eji ihe SUS304 eme ihe, mara mma ma dịkwa mfe iji.