•IfyoucannotreachyourgassuppliercallthefiredepartmentDANGER M MMMMa aaaan nnnnu uuuuf ffffa aaaac cccct ttttu uuuur rrrre eeeed ddddb bbbby yyyy: :::: B BBBBi iiiia aaaas ssssi iiiiS SSSS. ....p pppp. ....A AAAA. .... V VVVVe eeeer rrrro oooon nnnna aaaa, ,,,,I IIIIt tttta aaaal lllly yyyy D DDDDi iiiis sssst ttttr rrrri iiiib bbbbu uuuut tttte eeeed ddddB BBBBy yyyy: :::: Q QQQQH HHHHT TTTTQ QQQQU UUUUI IIIIN NNNNC CCCCY YYYYH HHHHY YYYYD DDDDR RRRRO OOOON NNNNI IIIIC CCCCT TTTTE EEEEC CCCCH HH