- Objective:To investigate the contaminated condit ion of formaldehyde in door air of newly decorated public place.
- Failure in door operation due to racking.
- You had better remain in door today.
- INVESTIGATION OF THE CONTAMINATED CONDITION OF FORMALDEHYDE IN DOOR AIR OF NEWLY DECORATED PUBLIC PLACE
- To take exercise in doors is less beneficial than in the open air.
- They kept the children in doors.