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  2. Vehicle inspection in the United States - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection_in_the...

    Vehicle emissions inspection station in Wisconsin. Arizona – biennially, in Phoenix and Tucson metro areas only, depending on age and type of vehicle. [28] California – biennially for all vehicles from out-of-state, regardless of age; and all vehicles made after 1975 which are more than six years old in all or some zip codes in 41 out of 58 ...

  3. Temporary adjustments of theodolites - Wikipedia

    en.wikipedia.org/wiki/Temporary_adjustments_of...

    Repeat step 2 and step 3 in the same quadrant till both the bubble remain central. By rotating the upper part of the instrument through 180°, the level tube is brought parallel to first two-foot screws in reverse order. The bubble will remain in the centre if the instrument is in permanent adjustment.

  4. Permanent adjustments of theodolites - Wikipedia

    en.wikipedia.org/wiki/Permanent_adjustments_of...

    These adjustments once made last for a long time. These are important for accuracy of observations taken from the instrument. The permanent adjustments in case of transit theodolite are:- Horizontal axis adjustment. The horizontal axis must be perpendicular to the vertical axis. Vertical circle index adjustment.

  5. Automotive safety - Wikipedia

    en.wikipedia.org/wiki/Automotive_safety

    The terms "active" and "passive" are simple but important terms in the world of automotive safety. "Active safety" is used to refer to technology assisting in the prevention of a crash and "passive safety" to components of the vehicle (primarily airbags, seatbelts and the physical structure of the vehicle) that help to protect occupants during a crash.

  6. Vehicle inspection - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection

    An inspection sticker from the Commonwealth of Massachusetts A Warrant of Fitness certificate issued to vehicles in New Zealand. Vehicle inspection is a procedure mandated by national or subnational governments in many countries, in which a vehicle is inspected to ensure that it conforms to regulations governing safety, emissions, or both.

  7. Commercial vehicle inspection - Wikipedia

    en.wikipedia.org/wiki/Commercial_Vehicle_Inspection

    Commercial vehicle inspection (CVI), is the enforcement of safety regulations and laws of commercial vehicles.

  8. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    Vehicle manufacturers were a percentage of their fleet meeting these ZEV standards over a long-term schedule (2% by model year 1998 at its start), [31] but the mandate schedule has shifted based on the unplanned rate of technology advancement and costs, and as of 2020, its current target is to reach 8% ZEV by 2025 determined by fleet credits ...

  9. Ford Proving Grounds - Wikipedia

    en.wikipedia.org/wiki/Ford_Proving_Grounds

    It features a 2-mile oval track with banked curves, a 2-mile completely straight road, a brake test area and some more tracks. The Arizona Proving Ground is operated year round. The climate is of a desert type with low annual rainfall and low relative humidity. Daytime temperatures are high throughout the summer months. The winters are mild.