DOUBLE MASKING IS WORSE THAN SINGLE MASKING : STUDY
Morons ! bLOCK THE FLOW OF AIR THROUGH THE MASKS AND WHERE THE HELL DO YOU GET YOUR AIR AND EXHAIL YOUR CO2 ? …AROUND THE EDGES OF COURSE
Morons ! bLOCK THE FLOW OF AIR THROUGH THE MASKS AND WHERE THE HELL DO YOU GET YOUR AIR AND EXHAIL YOUR CO2 ? …AROUND THE EDGES OF COURSE