.#.#...#..                                          ..###..#.#
....#...#.                                          ..#.##....
.....#...#                                          ....###...
......#...                                          ....#.##..
.......#..                                          ......###.
........#.           .»»» batteries »»».            ......#.##
#........#                                          #.......##
##........ batteries  may  not  harm  a  human  or, ##......#.
###....... through inaction,  allow a  human  being .##.......
#.##......             to come to harm.             .###......
..###.....                                          .#.##.....
..#.##.... a battery  must obey the orders given it ...###....
....###... by   human  beings   except  where  such #..#.##...
....#.##.. orders  conflict  with  the  first  law. .#...###..
......###.                                          ..#..#.##.
......#.## a   battery   must   protect   its   own ...#...###
#.......## existence  as  long  as  such protection ....#..#.#
##......#. does not  conflict  with  the  first  or .....#...#
.##.......               second laws.               #.....#..#
.###......                                          .#.....#..
.#.##.....                   ####                   ..#.....#.
...###....                                          #..#.....#
#..#.##...  these things power almost everything,   ##..#.....
.#...###.. but  when  i  speak  about  batteries  i .##..#....
..#..#.##.   speak about standard household ones.   .###..#...
...#...###         think double a, triple a,        .#.##..#..
....#..#.#    twentyfive twenty, nine volt, such    ...###..#.
.....#...#                 things...                #..#.##..#
#.....#..#                                          ##...###..
.#.....#.. they  look  slick  but  are  very  dirty ###..#.##.
..#.....#.                  inside.                 #.##...###
#..#.....#                                          ..###..#.#
##..#.....                                          ..#.##...#
.##..#....                                          ....###..#
.###..#...                                          ....#.##..
.#.##..#..                                          ......###.