Ukufika kwephepha lephepha le-valve eliguquguqukayo elisuselwa ku-inki emanzini kumaka ukuvela okuphawulekayo emkhakheni wokupakisha nokuphrinta. Lolu hlobo lwe-inki lwenzelwe ngokukhethekile ukusetshenziswa ezinhlelweni ezahlukahlukene, kufaka phakathi izixazululo zokupakisha eziguquguqukayo, ezithandwa kakhulu ngenxa yokusebenza kwazo nokusimama kwazo. Enye yezinzuzo eziyinhloko zama-inki asuselwa emanzini, kufaka phakathi lezo ezisungulwe