Igwe igwe eji asa iko, igwe igwe eji asa iko, igwe igwe eji asa iko na igwe eji asa iko nwere igwe igwe eji asa iko kwụ ọtọ na igwe igwe eji asa iko kwụ ọtọ. Maka obere obosara iko 1600mm, 1800mm, 2000mm, 2200mm ruo oke 2500mm. A na-eji ya eme ihe maka ụdị iko ụlọ niile, igwe igwe eji asa iko ụlọ.