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  2. Lean (proof assistant) - Wikipedia

    en.wikipedia.org/wiki/Lean_(proof_assistant)

    After version 3.4.2 Lean 3 was officially end-of-lifed while development of Lean 4 began. In this interim period members of the Lean community developed and released unofficial versions up to 3.51.1. In 2021, Lean 4 was released, which was a reimplementation of the Lean theorem prover capable of producing C code which is then compiled, enabling ...

  3. Refrigerator truck - Wikipedia

    en.wikipedia.org/wiki/Refrigerator_truck

    G-3 Resources LLC Truck Articulated lorry with refrigerated trailer. A refrigerator truck or chiller lorry (also called a reefer), is a van or truck designed to carry perishable freight at low temperatures.

  4. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.

  5. Lean-to - Wikipedia

    en.wikipedia.org/wiki/Lean-to

    A lean-to is originally defined as a structure in which the rafters lean against another building or wall, also referred to in prior times as a penthouse. [2] These structures characteristically have shed roofs , also referred to as "skillions", or "outshots" and "catslides" when the shed's roof is a direct extension of a larger structure's.

  6. Lean construction - Wikipedia

    en.wikipedia.org/wiki/Lean_construction

    ISBN 0-415-28965-3. 'Building Down Barriers-A Guide to Construction Best Practice'. A simple guidebook explaining supply chain management and lean thinking, primarily aimed at the demand-side client. Cain, C. T. (2004b). 'Performance Measurement for Construction Profitability'. ISBN 1-4051-1462-2. A detailed action-learning guidebook aimed at ...

  7. Refrigerator car - Wikipedia

    en.wikipedia.org/wiki/Refrigerator_car

    The method proved too limited to be practical. Detroit's William Davis patented a refrigerator car that employed metal racks to suspend the carcasses above a frozen mixture of ice and salt. In 1868, he sold the design to George H. Hammond , a Detroit meat packer, who built a set of cars to transport his products to Boston using ice from the ...

  8. Auto-defrost - Wikipedia

    en.wikipedia.org/wiki/Auto-defrost

    "Frost-Free" refrigerator/freezer units usually use a heating element to defrost their evaporators, a pan to collect and evaporate water from the frost that melts from the cold plate and/or evaporator coil, a timer which turns off the compressor and turns on the defrost element usually from once to 4 times a day for periods usually ranging from ...

  9. Refrigerator - Wikipedia

    en.wikipedia.org/wiki/Refrigerator

    Food in a refrigerator with its door open. A refrigerator, commonly shortened to fridge, is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external environment so that its inside is cooled to a temperature below the room temperature. [1]