Ihe eji eme ụlọ nkwụnye ihe eji eme ya bụ aluminom alloy nwere kposara maka ijikọ mwekota na ogwe ihe nkwado, mgbachi a na -adigide. clamps bụ ihe eji eme ihe n’ụlọ nyocha yana dịkwa mma maka ojiji ụlọ.
Ọ dị mfe ma dịkwa mma iji, naanị tụgharịa kposara ka ọ dozie.