leading zeros leading-edge flap leading-edge radius Leading-Edge Slat leading-edge stagnation point leading-edge vortex lead-lag ballast lead-lag hinge lead-lag motion lead-lag network leadless chip carrier lead-lined door lead-lined frame
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The fire door uses two sliding leaves (1,2) on parallel offset tracks, the leaves moving into a retracted position one behind the other to open. The trailing and leading edge of the leaves overlap at door closure and the leaf edges co-operate with one another or the framing fixtures to ...
Security Door Grille A fire-rated security door grille. Allowing for discreet observation without compromising the door’s integrity. Moreover, intumescent strips will react and seal the open area of the grille in a fire. Suitable for both exterior or interior doors. Comprising a grille, a singl...
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Fire doors can vary greatly in design from functional door blanks through to attractive solid and glazed designs. The most common type of fire door is an FD30.
[translate] atransaction. Resources for device initialization and[translate] a爱妻子的丈夫 正在翻译,请等待...[translate] aA sudden noise of a fire-engine made him ___ to the door. 消防车的突然的噪声做了他___对门。[translate]
Edge seals: The edge seals are installed around the perimeter of the door and help to prevent the spread of smoke and fire. The edge seals are typically made from materials such as intumescent strips or fire-resistant sealants. Hardware: F...
In order to reduce heat transfer from one side of a folding fire door lead post assembly to the other side, the lead post assembly includes a central lead post which forms the leading edge of the asse
FIG. 8 is a plan view of a single-sided door having a sliding-type door; FIG. 9 is an end section view of the head track showing a trolley attached to a door panel of a single-sided sliding-type door; FIG. 10A is a detail of a door leading edge tube suspended from the leading...