Compléter ELECTRICITYVersion en ligne some base electricity terms par Varvara Alfyorova 1 snap bars lag shutter dial cell switch shortcut 1 . They are used with buzz to produce power distribution systems . These are available in one pole , two pole and three pole versions . 2 . Another project involves the design and production of hydrogen fuel powered forklifts , fuel cell uninterruptible power supplies , and hydrogen energy technologies education and training . 3 . That's the below and right of the speed indicator . 4 . We the batteries , we can induce thermal runaway . 5 . The rotation axis of each ( 4 , 6 ) is offset with respect to the symmetry axis . 6 . Mechanical switches can be a or micro - switch and are actuated using a variety of methods . 7 . Photonic devices are currently built as aperiodical sequences of different layers , being thus aperiodic in one direction and periodic in the other two .