4. Apẹrẹ square ti tube gba fun iṣọpọ irọrun sinu ibiti ẹrọ ati ẹrọ, ṣiṣe o paati wapọ fun ọpọlọpọ awọn ohun elo oriṣiriṣi.
5. Boya o n kọ eto pineumeic tuntun tabi igbesoke ọkan ti o wa tẹlẹ, gigunniminium SDA gigunni oke, aluminium SDA oke ti o wa loke tube jẹ aṣayan ti o tayọ fun fifiranṣẹ iṣẹ igbẹkẹle ati ṣiṣe to dara julọ.
