The protective eyewear includes at least one vent accessory (34) configured and arranged to releasably couple to at least one of the vent structures.

A drain, waste and vent ('DWV') fitting is made from chlorinated polyvinyl chloride.

The protective eyewear includes at least one vent accessory (34) configured and arranged to releasably couple to at least one of the vent structures.

Delivery systems and methods of creating an accessory maxillary ostium and implanting a ventilation tube for purposes of ventilation, irrigation, infusion or procedural work are described.

An introducer having a ventilation tube and grommet is provided to create and then provide access through the accessory maxillary ostium.

An apparatus for creating an accessory maxillary ostium for purposes of ventilation, irrigation, or procedural work within the maxillary antrum.

Thus, the ventilation apparatus having a simplified ventilation structure increases a ventilation efficiency.

This invention provides a novel, inexpensive, universal energy control computing accessory module (24) for altering at programmed times the operation of existing adjunct thermal/ventilation systems (20).

The wing spar joint comprises a forward fitting ( 62 ), an aft fitting ( 50, 52 ), a spar cap a lower chord fitting ( 64 ) and a strap member ( 100 ).

LEVELS FOR DETAILED INFORMATION BY GEOGRAPHY AND BY ACTIVITY

The venting manifold fluidly connects the venting valve to a venting port.

The ventilation paths include a first ventilation path (P1) and a second ventilation path (P2).

residential ventilation unit (RVU) means a ventilation unit where

residential ventilation unit (RVU) means a ventilation unit where

Ventilation strip for ventilation of exterior sidings in building constructions.