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2. Roof rack - Wikipedia

   en.wikipedia.org/wiki/Roof_rack

   Roof racks increase air resistance and in the US, roof racks increased overall fuel consumption by approximately 1%. [6] Due to greater wind resistance, roof racks may increase wind noise on the highway. Mounting the roof rack backward may reduce air resistance. [7] Some bars are designed with a lower drag coefficient or have a wind deflector ...

3. Photovoltaic mounting system - Wikipedia

   en.wikipedia.org/wiki/Photovoltaic_mounting_system

   [11] [12] In general, ground mounted PV systems can be at the optimal tilt angle and orientation (as compared to roof mounted systems that can be non-optimal particularly for retrofits). Ground-based mounting supports include: Pole mounts, which are driven directly into the ground or embedded in concrete.

4. End-of-train device - Wikipedia

   en.wikipedia.org/wiki/End-of-train_device

   An ETD on a container train in 2005. The end of train device (ETD), sometimes referred to as an EOT, flashing rear-end device (FRED) or sense and braking unit (SBU) is an electronic device mounted on the end of freight trains in replacement of a caboose.

5. Bracket (architecture) - Wikipedia

   en.wikipedia.org/wiki/Bracket_(architecture)

   In adjustable shelving systems, the bracket may be in two parts, with the load-bearing horizontal support fitting into a wall-mounted slotted vertical metal strip. Brackets also are an element in the systems used to mount modern facade cladding systems onto the outside of contemporary buildings, as well as interior panels.

6. Rail integration system - Wikipedia

   en.wikipedia.org/wiki/Rail_integration_system

   A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...

7. Chengdu - Wikipedia

   en.wikipedia.org/wiki/Chengdu

   Chengdu has four main freight railway stations. Among them, the Chengdu North Marshalling Station is one of the largest marshalling stations in Asia. [ 263 ] Since April 2013, companies are able to ship goods three times a week (initially only once a week) [ 264 ] to Europe on trains originating from Chengdu Qingbaijiang Station bound for ...