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  2. Impact attenuator - Wikipedia

    en.wikipedia.org/wiki/Impact_attenuator

    A truck-mounted attenuator (TMA) in New Zealand. Truck mounted attenuators (TMA), similar in some ways to railcar buffers, can be deployed on vehicles that are prone to being struck from behind, such as snow plows and road construction or maintenance vehicles. Work zone regulations often specify a minimum buffer distance between the attenuator ...

  3. Airport crash tender - Wikipedia

    en.wikipedia.org/wiki/Airport_crash_tender

    A Rosenbauer airport crash tender at London Heathrow Airport A Rosenbauer Simba 8x8 HRET at Frankfurt Airport in action Spray nozzle in use on airport crash tender. An airport crash tender (known in some countries as an airport fire appliance) is a specialised fire engine designed for use in aircraft firefighting at aerodromes, airports, and military air bases.

  4. Falling weight deflectometer - Wikipedia

    en.wikipedia.org/wiki/Falling_weight_deflectometer

    A falling weight deflectometer, towed by a truck. A falling weight deflectometer (FWD) is a testing device used by civil engineers to evaluate the physical properties of pavement in highways, local roads, airport pavements, harbor areas, railway tracks and elsewhere. The data acquired from FWDs is primarily used to estimate pavement structural ...

  5. Cost database - Wikipedia

    en.wikipedia.org/wiki/Cost_database

    The most basic element of a cost estimate and therefore the cost database is the estimate line item or work item. [3] An example is "Concrete, 4000 psi (30 MPa)," which is the description of the item. In the cost database, an item is a row or record in a table (of items) and the description is a column or field for that record.

  6. Attenuator - Wikipedia

    en.wikipedia.org/wiki/Attenuator

    Attenuator (electronics), an electronic device that reduces the amplitude of an electronic signal. Optical attenuator, an electronic device that reduces the amplitude of an optical signal. Attenuator (genetics), a specific regulatory sequence transcribed into RNA. Impact attenuator, used on highways as a crumple zone in case of a car crash.

  7. AT&T CEO: If Trump slashes taxes, we will invest more in ...

    www.aol.com/finance/t-ceo-trump-slashes-taxes...

    Going forward, it is now about execution of the 5G/Fiber build and copper network cost takeout efforts." Nispel maintained a Sector Weight rating on AT&T shares.

  8. Federal Bridge Gross Weight Formula - Wikipedia

    en.wikipedia.org/wiki/Federal_Bridge_Gross...

    National Pavement Cost Model (NAPCOM) estimates indicate that one 80,000-pound (36,000 kg) truck does as much damage to roads as 750 3,800-pound (1,700 kg) cars. [ 15 ] Some smaller bridges have a weight limit (or gross weight load rating) indicated by a posted sign (hence the reference to a "posted bridge").

  9. Germany probing possible security lapses after Christmas ...

    www.aol.com/news/germany-looking-possible...

    Germany searched on Monday for answers on possible security lapses after a man drove his car into a Christmas market, killing at least five people and casting a renewed spotlight on security and ...

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