Ụdị bollard ebe a na-adọba ụgbọala - nhazi nke ụzọ ntinye

1. N'okpuru alabollard

Atụmatụ: Ntọala siri ike, kwesịrị ekwesị maka iji ogologo oge eme ihe.

Ngwa: Isi ụzọ ma ọ bụ mpaghara okporo ụzọ dị elu nke ebe a na-adọba ụgbọala.

2. bọọlụ gbagoro n'ala

Atụmatụ: edozi ozugbo na ala, nrụnye dị mfe, mbughari.

Ngwa: Ebe a na-adọba ụgbọala n'oge nwa oge ma ọ bụ nke edobere ọkara.

3.bollard ebuli agbakwunyere

Atụmatụ: arụnyere n'okpuru ala, enwere ike ibuli elu ma wedata ya, ma nwee ọgụgụ isi dị elu.

Ngwa: Ebe a na-adọba ụgbọala dị elu ma ọ bụ ọnụ ụzọ nke usoro ebe a na-adọba ụgbọala nwere ọgụgụ isi.

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