Kufotokozera Kwachidule:

Mapeto amtundu wapawiri-mphamvu zodziwikiratu kusintha lophimba ndi osakaniza lophimba ndi logic kulamulira, popanda kufunika anl olamulira zina kuti akwaniritsedi electromechanical kusakanikirana, ndi ntchito monga kuzindikira voteji, pafupipafupi, l kulankhulana mawonekedwe, magetsi, makina interlock, etc. akhoza kuzindikira basi, magetsi kutali, Emergency manual control.