Nor is it known whether ventilation equipment, which helps purge a mine of gas and dust, was running properly.

He also suggested increasing the fines for violations of maintenance on ventilation equipment.

We've had to bring in some heavy ventilation equipment.

The fans and other ventilation equipment is in good order, and steam heat is largely restored.

In 2011 it was announced that the Sainsbury supermarket chain will use dynamic demand technology on their heating and ventilation equipment.

The technical facilities were also updated, including ventilation equipment, elevators, lighting, and plumbing.

Main building: construction materials, ventilation equipment, electrical equipment, water supply and drainage etc.

The newer but more limited ventilation equipment simply reflects a practice introduced some 10 years ago.

The setup is nestled under a dropped, white cove ceiling that hides ventilation equipment.

Next, examine the chimney and other items like the plumbing vent stack or ventilation equipment that project through the roof.