Ihlukile emshinini ojwayelekile wokudweba ngocingo, umshini wokudweba izintambo eziphakelayo eziqondile usebenzisa ubuchwepheshe bokulawula ukuguqulwa kwemvamisa ye-AC noma isistimu yokulawula ehlelekayo ye-DC kanye nokuboniswa kwesikrini, ngezinga eliphezulu lokuzenzakalela, ukusebenza okulula kanye nekhwalithi ephezulu yemikhiqizo edwetshiwe. Ifanele ukudweba izintambo zensimbi ezihlukahlukene ezinobubanzi obungaphansi kuka-12 mm.