Sort by time | Sort by thread (beta)
Link to this comment:
Share to:
Loading...
- Your queue is empty. Add videos to your queue using this button:
or sign in to load a different list.
Loading...Saving...
very nice. did you see the animation listed under "usp 797", titled, "exposure to chemo vapors when hoods are not vented appropriately". It goes to the core of vapor exposure.
chemowaste 2 years ago