.----^^##@                                          @##^^----.
.--:^%#£##                                          ##£#%^:--.
.--:^%#£@#                                          #@£#%^:--.
....--::^#                                          #^::--....
.....--^#@                                          @#^--.....
....--:^##           .--- 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.                 £#^^:-....
....--:%%#                                          #%%:--....
.--:^%#£@#                                          #@£#%^:--.
.--:^%%###                                          ###%%^:--.
.--::::%££                                          ££%::::--.
......-:%£                                          £%:-......