File :-(, x, )
Bat Guano
Chemical warfare!
Close-up of Sgt. Loel Putnam in gas mask and protective cloth permeable helmet at Chemical Warfare decontamination demonstration at Fort Bliss, Texas. (7 September 1944)
>> Doppelgänger !.97.to9elc
http://www.3dchem.com/3dmolecule.asp?ID=99

The more you know!
>> Anonymous
>>255327

Why permeable? Doesn't that defeat the purpose?