How can the risk of fire because of static electrical discharge in the presence of O2 be minimized?
a. Use only wool or polyester fabrics in the area of use.
b. Keep O2 concentrations well below 21%.
c. Maintain high relative humidity in the area of use.
d. Keep O2 in high-pressure storage cylin-ders.
ANS: C
The minimal risk that may be present can be further reduced by maintaining high relative humid-ity (>60%).
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