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2. Bar gate - Wikipedia

   en.wikipedia.org/wiki/Bar_gate

   Manual gates are sometimes hung in the manner of a normal gate (i.e. hinged horizontally). In some places, bar gates are installed across suburban streets as a traffic calming measure, preventing through traffic, while allowing authorised vehicles such as emergency services and buses to take advantage of the shorter and more direct route.

3. Deck (building) - Wikipedia

   en.wikipedia.org/wiki/Deck_(building)

   The deck of a house is generally a wooden platform built above the ground and connected to the main building. It is generally enclosed by a railing for safety. Access may be from the house through doors and from the ground via a stairway. Residential decks can be constructed over steep areas or rough ground that is otherwise unusable.

4. Simple suspension bridge - Wikipedia

   en.wikipedia.org/wiki/Simple_suspension_bridge

   In a simple suspension bridge the deck lies on the main cables In a suspended deck bridge the deck is carried below the main cables by vertical "suspenders" Comparison of a catenary (black dotted curve) and a parabola (red solid curve) with the same span and sag. The catenary represents the profile of a simple suspension bridge, or the cable of ...

5. Traffic barrier - Wikipedia

   en.wikipedia.org/wiki/Traffic_barrier

   Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...

6. Mezzanine - Wikipedia

   en.wikipedia.org/wiki/Mezzanine

   In most cases, safety gates are used to secure these openings. OSHA requires openings 48 inches or taller to be secured with a fall protection system. [ 13 ] Removable sections of railing or gates that swing or slide open would be used to open up the area and allow the transfer of material, and then close once the material is removed.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Caisson (lock gate) - Wikipedia

   en.wikipedia.org/wiki/Caisson_(lock_gate)

   Hinged gates are relatively complicated, and so expensive, to construct. Large gates require powered machinery to operate them, machinery that must be provided for each set of gates. Chevron gates can also only resist deep water on one side of the gate, which may be a drawback in some tidal areas where a high tide outside can exceed the depth ...

9. Canal safety gates - Wikipedia

   en.wikipedia.org/wiki/Canal_Safety_Gates

   Stockingfield or Lochburn Aqueduct was a potential target for the Luftwaffe in WWII.. Canal safety gates or canal air raid protection gates are structures that were installed on canals specifically to reduce or prevent flood damage to dwellings, factories, etc. in the event of aqueducts, canal banks, etc. being breached either through natural events or by enemy action during wars, insurgency ...