... transferring.The aide voicemitter is fit on the right cheek of the masks, and can be matched ... , then turn the handle anticlockwise to 180°with right hand, grip a drinking tube inside the facepeice with ... mouth, hold the canteen with right hand, and pull out the plug of the canteen, ... tube inside the cap of the canteen with left hand. Finally, raise up the inverted canteen near the ...