1. Ihe e ji arụ ọrụ na tube: latex dị oke mma. Nha agịga 2: 14Gx11/2 ma ọ bụ 16GX11/2″ 2. Nkọwa Ngwaahịa 1) Ejiri silicon mee ihe njide vial na tube 2) mwekota ọcha maka mfe ịgbanwe usoro mmiri 3) njikọ ọla charom plated 4) ihe nkwụnye mkpọchi luer nwere agịga
