teepu ịdọ aka ná ntị PE na-adịghị mmagide
Njirimara
Ebumnuche
A na-ejikarị ya na mpaghara ịdọ aka ná ntị mberede, ikewapụ ụlọ akụ, iwu okporo ụzọ, ọrụ nchebe gburugburu ebe obibi, nlekọta okporo ụzọ, ihe mberede Alkali, nkwụsị acid, nkwụsị UV, ime ụlọ na n'èzí nwere ike iji.
Ngwaahịa akwadoro
Nkọwa nkwakọ ngwaahịa
Dee ozi gị ebe a ziga anyị ya