Health & Safety Expert

1 year ago
11

Steven Petti with over 45yrs experience
Testified in state of Kentucky, his testimony overturned mask mandates state wide.

Industrial Hygiene: the science and art devoted to anticipation, recognition, evaluation and control of environment factors and stresses that can cause illness or kill you.

No control group = no comparison for a study to show effectiveness

#engineering #exposure #controlgroup #filtter #ventalation #destroy #destruction #dilute #1950 #engineeringcontrol

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