It is nasty stuff - use only as directed, and with good ventilation.

The temple is always full of light and air with very good ventilation.

Once again, good ventilation into the room is essential.

The design also provided good ventilation, a boon during hot summers.

You need to be especially careful here to have good ventilation (do experiment outside).

The work floor in the factory had high ceilings and good ventilation, which might be expected to lower the risk of transmission.

However, the frequent gaps between the tunnels provide good natural ventilation.

In addition good ventilation and comfort are considered important features of a riding helmet.

Have good ventilation in your home to avoid indoor air pollution.

The covers are used in winter to provide some protection from very bad weather, while allowing good ventilation.