1. Ihe njide ekwentị mkpanaaka ịgba ígwè
2. Mkpọchi akụkụ anọ, ngwa ngwa were tinye , Enweghị ịma jijiji na ihuenyo na-enweghị igbochi mgbe ị na-agba ịnyịnya.
3. Ihuenyo kwụ n'ahịrị na vetikal nwere ike ịgbanwe ya na mpịachi ọdụ ọdụ kaadị-axis ogo 360.
4. Kwesịrị ekwesị maka ekwentị mkpanaaka 4.7-7.2 inch
5. Metụ bọtịnụ mkpọchi otu igodo ma egbochila bọtịnụ, ihuenyo, jack ekweisi nke ekwentị