.........~                                          ~.........
..........                                          ..........
.........~                                          ~.........
........~-                                          -~........
.......~-†                                          †-~.......
......~-†^            .--- 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.                  £#%^†-~...
....~-†^%#                                          #%^†-~....
.....~-†^%                                          %^†-~.....
......~-†^                                          ^†-~......
.......~-†                                          †-~.......
........~-                                          -~........