Fire yedu inorwisa hexagon yakakandira Brass hose yekubatanidza ndiyo mhinduro yakavimbika uye inogara yakasimba yezvose zvaunoda moto. Yakagadzirwa kubva kune yakakwirira-mhando yendarira, inobatanidza inovimbisa yakachengeteka uye yekubatanidza-yemahara kubatana pakati pehos, kupa zvakanyanyisa kugona panguva yekukurumidza.
