"So you need to make sure you've got the proper ventilation."

"But also, if they use chemicals, then there isn't proper ventilation."

For those who are not comfortable facing the sun, they can practice the technique in any room having proper ventilation.

However, proper ventilation is still good practice with any type of primer.

They can cause asphyxiation in great enough concentrations without proper ventilation of the area.

But, with the proper ventilation, it need not be filled with smoke.

Keep the speakers about half an inch (10 mm) away from the system for proper ventilation.

If it must be used indoors, proper ventilation is essential to keeping exposure levels down.

In a finished attic, determining whether proper ventilation exists is difficult.

So, he said, the most important thing to remember is to provide proper and consistent ventilation.