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  2. Wheel chock - Wikipedia

    en.wikipedia.org/wiki/Wheel_chock

    Wheel chocks (or chocks) are wedges of sturdy material placed closely against a vehicle's wheels to prevent accidental movement. Chocks are placed for safety in addition to setting the brakes. The bottom surface is sometimes coated in rubber to enhance grip with the ground. For ease of removal, a rope may be tied to the chock or a set of two ...

  3. Harbor Freight Coupon for 20% Off - AOL

    www.aol.com/news/2011-02-16-harbor-freight...

    Replace old tools or get new ones with this Harbor Freight coupon for 20% off any one item. Expires Feb. 19, 2011. Valid in store, online, or over the phone. Use coupon code 74990607 online or ...

  4. Harbor Freight Tools - Wikipedia

    en.wikipedia.org/wiki/Harbor_Freight_Tools

    Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]

  5. Shock absorber - Wikipedia

    en.wikipedia.org/wiki/Shock_absorber

    Miniature oil-filled Coilover shock components for scale cars. A shock absorber or damper is a mechanical or hydraulic device designed to absorb and damp shock impulses. It does this by converting the kinetic energy of the shock into another form of energy (typically heat) which is then dissipated.

  6. USCG 65' Small harbor tug - Wikipedia

    en.wikipedia.org/wiki/USCG_65'_Small_harbor_tug

    The USCG 65' small harbor tug is a class of fifteen tugs used by the United States Coast Guard for search and rescue, law enforcement, aids-to-navigation work and light icebreaking. The tugs are capable of breaking 18 in (0.46 m) of ice with propulsion ahead and 21 in (0.53 m) of ice backing and ramming. [ 2 ]

  7. Valpak - Wikipedia

    en.wikipedia.org/wiki/Valpak

    Valpak prints, packages and ships coupon envelopes from the Valpak Manufacturing Center, a $200-million, 500,000-square-foot print production facility in St. Petersburg. [6] Print inserts in the envelope advertise local businesses and national brands with coupons for dining, health and beauty, entertainment, automotive, home services and more.

  8. Variable gauge - Wikipedia

    en.wikipedia.org/wiki/Variable_gauge

    The "Gauge Change Train" is a project started in Japan in the 1990s to investigate the feasibility of producing an electric multiple unit (EMU) train capable of operating both the 1,435 mm (4 ft 8 + 1 ⁄ 2 in) Shinkansen high-speed network at 270–300 km/h (168–186 mph) and the original 1,067 mm (3 ft 6 in) network at 130–140 km/h (81 ...

  9. Wheel slide protection - Wikipedia

    en.wikipedia.org/wiki/Wheel_slide_protection

    Wheel Slide Protection (WSP) equipment is generally fitted to passenger trains to manage the behavior of wheel sets in “low adhesion” (reduced wheel/rail friction) conditions. It is used when braking and may be considered analogous to anti-lock braking (ABS) in cars. The system can also be used to control (or provide an input to) the ...