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  2. Mining rock mass rating - Wikipedia

    en.wikipedia.org/wiki/Mining_rock_mass_rating

    A rock mass with a high RMR before the adjustment factors are applied has a high reinforcement potential, and can be reinforced by, for example, rock bolts, whatever the MRMR value might be after excavation. Contrariwise, rock bolts are not a suitable reinforcement for a rock mass with a low RMR (i.e. has a low reinforcement potential).

  3. Rear mid-engine, rear-wheel-drive layout - Wikipedia

    en.wikipedia.org/wiki/Rear_mid-engine,_rear...

    RMR layout; the engine is located in front of the rear axle. Rear Mid-engine transversely-mounted / Rear-wheel drive. In automotive design, an RMR, or rear mid-engine, rear-wheel-drive layout is one in which the rear wheels are driven by an engine placed with its center of gravity in front of the rear axle, and thus right behind the passenger compartment.

  4. Orthopedic plate - Wikipedia

    en.wikipedia.org/wiki/Orthopedic_plate

    Orthopedic surgeon making adjustments to a metal plate in a patient's ankle. An orthopedic plate is a form of internal fixation used in orthopaedic surgery to hold fractures in place to allow bone healing [1] and to reduce the possibility of nonunion. Most modern plates include bone screws to help the orthopedic plate stay in place.

  5. Instruments used in general medicine - Wikipedia

    en.wikipedia.org/wiki/Instruments_used_in...

    Instrument Uses; Bandage: material used to support a medical dressing or injured body part : Bedpan: for patients who are unconscious or too weak to sit up or walk to the toilet to defecate

  6. Resting metabolic rate - Wikipedia

    en.wikipedia.org/wiki/Resting_metabolic_rate

    RMR differs from basal metabolic rate (BMR) because BMR measurements must meet total physiological equilibrium whereas RMR conditions of measurement can be altered and defined by the contextual limitations. Therefore, BMR is measured in the elusive "perfect" steady state, whereas RMR measurement is more accessible and thus, represents most, if ...

  7. Head mirror - Wikipedia

    en.wikipedia.org/wiki/Head_mirror

    Head mirror A doctor using a head mirror to illuminate his patient's nasal passages. A head mirror is a simple diagnostic device, stereotypically worn by physicians, but less so in recent decades as they have become somewhat obsolete. [1] A head mirror is mostly used for examination of the ear, nose and throat (ENT).

  8. 45 rpm adapter - Wikipedia

    en.wikipedia.org/wiki/45_rpm_adapter

    A plastic 45 rpm adapter that inserts into the large spindle hole of a 45 rpm record. A 45 rpm adapter (also known as a 45 rpm record insert, 45 rpm spindle adapter, spider, or 7-inch adapter in reference the usual size of a 45 rpm record) is a small plastic or metal insert that goes in the middle of a 45-rpm record so it can be played on the standard size spindle of a turntable.

  9. Respiratory quotient - Wikipedia

    en.wikipedia.org/wiki/Respiratory_quotient

    The respiratory quotient (RQ) is the ratio: RQ = CO 2 eliminated / O 2 consumed. where the term "eliminated" refers to carbon dioxide (CO 2) removed from the body in a steady state.