Nhazi nke mmadụ nke igwe ọkụ na-ekpuchi ọkụ eletrik nwere ike ịmaliteghachi ozugbo mgbe ọ zutere ihe mgbochi, ka ọ ghara igbochi ahụ ọnụ ụzọ ka ọ daa ma na-agba ọsọ, dị ka nkukota na ụgbọ ala ma ọ bụ ihe. The ọnụ ụzọ ahụ nke electric fireproof Rolling shutter ụzọ dị nnọọ ike, na oti mkpu na ngwaọrụ na mgbochi push ngwaọrụ nwere ike ahazi ka ọnụ ụzọ ahụ si pried site ike, na mkpu nwere ike nọgidere na-enye.

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