Government health institute tests the effects of chemicals on the body in extremely cold weather. Sign reading “Chamber in use do not enter,” female test subject in snow jacket, scientist/doctor in white lab coat monitors printout from machine. Sign on test chamber denotes the extreme temperature range in the lab “-20 degrees F. to +200 degrees F.”Woman test subject walks on a treadmill in an arctic parka/snow jacket with hood.Strange medical tests, medicine, industry, product test