Emebere eriri ahụ maka MS, ụda, ọdịyo, nchekwa, nchekwa, njikwa na ngwa ime ụlọ & n'èzí. Eriri ọtụtụ ụzọ dị. Enwere ike iji ya mee ihe n'ọtụtụ ebe maka njikwa usoro mmepụta yana ngwa ihe ntụgharị ngwaọrụ.
teepu Al-PET nwere Tinned Copper Drain Waya mkpuchi bụ nhọrọ.
PVC ma ọ bụ LSZH n'ọbọ dị ma dị.