I li 



of t 1 1 • - respii 



tinued exposuri 

 deny that sii<-ii all 

 workers Pound that, in i 

 per cent, the inci 

 the Bame 

 1 1 a hen it contj 



In the \V 



has secured 

 contention. 1 1- I ound thai 



l 1 1 

 latter contained a lov 13 1 1 



possibility thai th< 

 directly by the ' » tension 

 portanl problems av ail i i 

 it ultimately de 

 that respiration be 

 the final Btag< asph> 



for thi 



M uch light has been t Im.u □ 

 activity 1»\ obsen ing 1 1 

 rubber bags through soda 

 pernor e t he CO We 1 



bservatioi 

 a respirators Btimulanl 

 M ore particular in 



nut the« nclu 



under w hicl 



With a verj small h 



ising t\ pe bt 

 alveolar air contai 



still - 



ratio 1'ft w .in th< 

 tory quol 

 indicating tl 



explain* 

 quantil 



the blood more qui ' 



tliis expli 



• llou ii 



I • 

 lit.- 



