Ebe a na-ewu ụlọ nke abụọ n'ime ụlọ nwere obere square nwere nnukwu uru. Mpaghara mbara, ihe ngwọta nke mpaghara ahụ, enwere ike iwuga nke ha Maka ego nke obere. Dị elu nke uko ụlọ site na mita nke 20 centimeters bụ ezigbo mma na mmezu nke ọrụ a.
Ebe a na-ewu ụlọ nke abụọ n'ime ụlọ nwere obere square nwere nnukwu uru. Mpaghara mbara, ihe ngwọta nke mpaghara ahụ, enwere ike iwuga nke ha Maka ego nke obere. Dị elu nke uko ụlọ site na mita nke 20 centimeters bụ ezigbo mma na mmezu nke ọrụ a.