Imbonerahamwe ya ZHHIMG ni ahantu h'akazi gakorerwa kunyeganyega, kuboneka hamwe nameza yamabuye akomeye cyangwa hejuru yameza meza.Guhungabana kunyeganyega biturutse ku bidukikije byashyizwe ku meza hamwe na insimburangingo ikora neza cyane ya membrane yo mu kirere mu gihe ibintu byo mu bwoko bwa pneumatike bingana bikomeza urwego rwose.(± 1/100 mm cyangwa ± 1/10 mm).Byongeye kandi, igice cyo kubungabunga ibyuma bifata ibyuma bikonjesha birimo.