Injinia oru

Osisi aluminium na-eche oke ọkụ banyere nchara dị n'ime ụlọ ọkụ, nke na-emebi ala.

Ọdịda dị elu, na-eru ọtụtụ narị ogo Celsius, na-akpata mgbasa nke nchara ma na-eduga na mgbawa na ihe.

Ngwa nke fiberglass rebar ga - eme ka ịbawanye ike nke ihe owuwu.