1.Nke a damper nwere mmepụta ihe dị elu ma dị mma maka nnukwu ígwè ọrụ na akụrụngwa.
2.Ọ nwere ike ịkwụsị n'ọnọdụ ọ bụla, na-eme ka ọrụ akụrụngwa gị dịkwuo mfe.
3.Available na nickel-plated ígwè na oji mechara ígwè.
4.Ngwa ngwa ngwa nke ngwaahịa a gụnyere nlekota oru, panels, na ụlọ igwe. Ọ na-enyere aka ichekwa nchekwa onye ọrụ, belata mkpọtụ arụ ọrụ, ma gbochie akụrụngwa ka emebie site na oke mmetụta.