Nkọwa ngwa ngwa:
A na-ejikarị YFSW200 Automatic Swing Door Operator eme ihe n'ọfịs, ụlọ nzukọ, ụlọ ọgwụgwọ ahụike, ebe a na-arụ ọrụ na ihe ndị ọzọ, nke ọnụ ụzọ mbata enweghị nnukwu oghere.