Amfanin yankan:

1, High tsaro (ba zai scratch hannu a tashar jirgin ruwa, gilashin raguwa ba zai rasa ko'ina)

2, tabbatar da cewa samfurin bututun ya bar wani tsabta, m bude bayan yankan;

3, kare samfurin famfo (yayin yankan ba ya lalata yanke na suction bututun, kauce wa gilashin shards da suction cikawa a cikin iska famfo)