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  2. List of medical symptoms - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_symptoms

    List of medical symptoms. Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals.

  3. Redline - Wikipedia

    en.wikipedia.org/wiki/Redline

    Tachometer showing red lines above 14,000 rpm.. Redline refers to the maximum engine speed at which an internal combustion engine or traction motor and its components are designed to operate without causing damage to the components themselves or other parts of the engine. [1]

  4. Troubleshooting - Wikipedia

    en.wikipedia.org/wiki/Troubleshooting

    Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

  5. Tachograph - Wikipedia

    en.wikipedia.org/wiki/Tachograph

    The chart features a pear-shaped aperture in the centre, ensuring it is perfectly aligned upon insertion into the tachograph head. There is no facility to prevent it being inserted back to front, where the styli would be prevented from making contact with the wax surface.

  6. List of ICD-9 codes 780–799: symptoms, signs, and ill-defined ...

    en.wikipedia.org/wiki/List_of_ICD-9_codes_780...

    This is a shortened version of the sixteenth chapter of the ICD-9: Symptoms, Signs and Ill-defined Conditions. It covers ICD codes 780 to 799 . The full chapter can be found on pages 455 to 471 of Volume 1, which contains all (sub)categories of the ICD-9.

  7. Aircraft engine controls - Wikipedia

    en.wikipedia.org/wiki/Aircraft_engine_controls

    Tachometer - A gauge to indicate engine speed in RPM or percentage of maximum. Manifold pressure (MP) gauge - Indicates the absolute pressure in the intake manifold . For an aircraft equipped with a constant speed propeller, this is the most direct indication of the engine's operating power.

  8. Tach timer - Wikipedia

    en.wikipedia.org/wiki/Tach_Timer

    The tach timer is usually used to schedule engine maintenance, although it is just an approximation of "Time in service" which is used to time and schedule aircraft maintenance. Time in service is defined in 14 CFR 1.1 [ 2 ] as the actual time in the air, whereas tach time measures engine revolutions, which would still count time on the ground ...

  9. Review of systems - Wikipedia

    en.wikipedia.org/wiki/Review_of_systems

    A review of systems (ROS), also called a systems enquiry or systems review, is a technique used by healthcare providers for eliciting a medical history from a patient. It is often structured as a component of an admission note covering the organ systems, with a focus upon the subjective symptoms perceived by the patient (as opposed to the objective signs perceived by the clinician).