Nke a bụ nhazi okpokolo agba ọhụrụ anyị.

Enwere oche oche abụọ maka ụmụaka na ndị na -eto eto, onye ahịa nwere ike gbanwee oche ịma jijiji na ndepụta anyị.

Ọnụahịa anyị nke okpokolo agba na -adakarị ọnụ.

Anyị nwekwara oge nnyefe ngwa ngwa maka azụmaahịa.

Okpokolo okirikiri ọkọlọtọ anyị niile nwere nchara galvanized dị elu, dayameta 4.5 inch.