Lumahing logam kudu Gamelan lan ora corroded dening rust.Plating ngirim ora crease utawa Peel off.Casing plastik ngirim ora rata, crude utawa duwe retak utawa karusakan.Insulasi bagean sing beda-beda sing nindakake listrik kudu duwe fungsi voltase eksperimen lan ana
ora ana punctures ing.
90% saka lumahing bakal dijamin dening solder.Tanpa deformasi basa,
bisa gawe marem mechanical, kinerja elektronik.Tumindak tanpa pamblokiran
fenomena, tombol ngidini lumahing nyandhang