IELYA New BK4 Stevel System ndi wosanjikiza umodzi (madera ochepa), amatha kugwira ntchito molondola, otsatsa, ndi njira yosinthira, imapereka njira zothetsera mafakitale osiyanasiyana.
Kuthamanga kodula kumatha kufikira 1800mm / s. IELYO MC Modrover Contrale imapangitsa makinawo kuthamangitsa mwaluso. Mawere osiyanasiyana amatha kusinthidwa mosavuta kuti athane ndi zinthu zosiyanasiyana.
Pogwiritsa ntchito dongosolo laposachedwa la IELA kuti apange malo abwino ogwirira ntchito, pafupifupi 65dB mu mphamvu zopulumutsa mphamvu.
Kuwongolera kwanzeru kwa zakuthupi kumazindikira ntchito yonse yodula ndi kusonkhanitsa, kuzindikira mosalekeza kuti muchepetse ntchito yakale, kusunga ntchito komanso bwino.