Isu tinopa yakanakisa bhiza bhandeji yekushandisa: rakasungwa rakabatana bhanji rebhiza, mhando yacho inogona kuenzaniswa neiyo imwechete bhachi bhandiji rakagadzirwa na3M, ino bhiza bhandeji rekushandisa rakakodzera kumhanya kwemabhiza, nekuti kubatana kwakabatana kunosimba, uye izvo zvisina kurukwa zvinhu zvine hushamwari kubhiza.

Zvakare bhandi bhandeji rinoshandiswa pakurapa bhiza, kunyanya dhizaini uye rinoshandiswa bhiza.