.~«;=&&@@#                                          #@@&&=;«~.
.~«;=&&@@#                                          #@@&&=;«~.
.~«;=&&@@@                                          @@@&&=;«~.
....~«;&&@                                          @&&;«~....
.~«;=&&@##                                          ##@&&=;«~.
.......«=&            .««« 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.                  @@@&&=;«~.
.~«;=&&@@@                                          @@@&&=;«~.
.~«;=&&@@#                                          #@@&&=;«~.
...~;====&                                          &====;~...
.~«;=&&@@#                                          #@@&&=;«~.
.~«;=&&&&&                                          &&&&&=;«~.