- t h e g a s c h a m b e r - ggyyygg gggggggggggg gggggggggggg $$$$ $$$$ $$$$ $$$$ $$$$$$$$$ $$$$ gggg*$$$$ gggggg$$$$ gd$kl $$$$$$$$$$$P $&b 7$$$$SS$$$ $$$$ l $$$$ $$$$ l $$$$ $$$$ l $$$$ $SS$$$$$P gd$ $$$$$ l$$$$$$$$ $$$$ $ l$$$ $$$$ $l $$$$ $$$$ $ $$$$ $$$$$$$$l $$$$$ $$$ P $$$SS$$ $$$$ $$$l $$$$ $$$$ $$$$ $$$$ $SS$ $ 7 $$ s$$SSS$$ gS &g $$$$ &g $$$$ &g $$$$ SS$$SSS$$g gggd$$SSS$$$$ $gSlSbg s $$$$ bs gSllSS$$$SS $bgggg S $ SS Tsk $ l