akumulator elektrik (accumulators, electric), alat kopling [alat pengolah data] (couplers [data processing equipment]), alat penghitung (counters), alat pengisi baterai listrik (chargers for electric batteries), kacamata (eyeglasses), lonceng [alat tanda bahaya] (bells [warning devices]), Pengeras suara (Loudspeakers), peralatan periferal komputer (Computer peripheral devices), perangkat pendengar yang diletakkan di kepala (headphones), telepon pintar (smartphones)