Part,  Chapter, Paragraph
1  III,    10.  4.  5|  gases, including hydrogen sulphide and mercury vapour, emitted
2  III,    10.  4.  5|    gases, such as hydrogen sulphide and mercury vapour being
3  Key,   Ap5.  0.  0| suicide~suicides~sulfonate~sulphide~sulphites~sulphur~sunlight~