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&...&&..&& .»»» batteries »»». .&.&&...&.
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..&.&&&&&& 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. .&...&&.&&
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...&.&.&&& a battery must protect its own &..&.&&&.&
&..&&&&&.. existence as long as such protection .&.&&&..&&
.&.&....&. does not conflict with the first or .&&&..&.&.
.&&&&...&& second laws. .&..&.&&&&
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&...&&&&.& 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... &&&..&.&.&
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..&...&&.& they look slick but are very dirty .&.&&&....
..&&..&.&& inside. .&&&..&...
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