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  • rabies

    Rabies is a disease which infects domestic and wild animals. It is a virus transmitted to other animals and humans through close contact with saliva from those infected (i.e. bites, scratches, licks on broken skin). Once symptoms of the disease develop, rabies is fatal.

  • radiation

    Transmission of any type of energy by means of rays, waves or as mobile sub-atomic particles (electrons, neutrons and protons).

  • radiation therapy

    A type of medical treatment that uses high energy radiation such as X-rays.

  • radio receiver

    Devices that convert radio waves into intelligible sounds or other perceptible signals.

  • radio signals

    A code or message delivered via a radio or interpreter most often in the form of sound.

  • radio telescope

    Form of directional radio antenna used in radio astronomy and for tracking and collecting data from satellites and space probes. They differ fromoptical telescopes in that they operate in the radio frequency portion of the electromagnetic spectrumwhere they can detect and collect data on radio sources

  • radiology

    The scientific study of X-rays and other high energy radiation, especially as used in medicine.

  • raft

    Refers to a wide variety of watercraft that are essentially floating platforms, more or less rigid or stationary and buoyant, constructed without interior volume and in a way that cannot keep water out.

  • rail and fishplate profile set

    A set of gauges for measuring the profiles of both the rail and the fishplate.

  • rail gauge

    A tool for measuring the profile of the rail.

  • rail profile

    A thin section of rail used for checking the wear on the surface of the rail.

  • rail profile matrix

    A gauge for measuring the profile of the rail.

  • rail profile set

    A set of gauges for measuring the profiles of both the rail and the fishplate.

  • rail section

    A thin section of rail used for checking the wear on the surface of the rail.

  • railbus

    A lightweight low capacity diesel or petrol railcar with bus or bus type body, for passenger services on branch or other low-traffic lines.

  • railimeter

    n/r.

  • railings

    Parapets or balustrades of a lightweight, partly open, metal or wood construction.

  • railway wagon

    Any railway vehicle used for transporting goods.

  • rain-gauge

    An instrument for collecting and measuring the rainfall.. It consists essentially of a receiver, made of iron, copper etc., usually of circular form, and of a graduated glass measure accurately calibrated from the area of the receiving surface of the gauge

  • razor

    Sharp-edged instruments primarily used in the shaving of bodily hair. Razors can be manually or electrically powered, and the earliest bronze razor blade dates back to the Bronze Age.

  • ready reckoner

    Any of various reckoning devices consisting of movable discs surmounted by or carrying other graduated or figured circles for calculating, for example, phases of the moon, the time of the rising or setting sun, or the times of the tides; usually made of paper, cardboard, or vellum and often found preprinted in or attached to manuscripts or books of the 13th to the 16th century.

  • rebate plane

    Wood or metal plane which are flat across the sole, in which the cutting iron extends to the extreme edge on one or both sides; (SALAM) used to cut a rebates along the grain at the edge of the wood.

  • receipt

    Written acknowledgment of the receiving or taking of goods or money delivered or paid.

  • record - document

    Recorded information, regardless of medium, created, received, and maintained by an agency, institution, organization, or individual in pursuance of its legal obligations or in the transaction of business.

  • records

    Recorded information, regardless of medium, created, received, and maintained by an agency, institution, organization, or individual in pursuance of its legal obligations or in the transaction of business. ICA.

  • rectal speculum

    Instrument used to dilate the anus or rectum, and throwing light within, thus facilitating examination or surgical operations.

  • rectum

    The last portion of the large intestine that communicates with the colon above and the anus below.

  • red blood cell

    A blood cell that transports oxygen to the body cells. The most common form of blood cell in the human body, they are filled with haemoglobin, a molecule that binds well to oxygen.

  • reflex camera

    A camera system which uses a mirror to reflect incoming image rays onto a ground glass scree, providing a system of viewing and viewing.

  • reflexology

    A complementary practice based on the theory that reflex points in the feet are connected to the rest of the human body. Massage of these points is believed to unblock energy flows in the body that cause illness.

  • refractor head

    Instrument providing means of positioning lenses, prisms and other optical devices in front of a subject's eyes for the purpose of determining refractive error and binocular functions

  • refreshment trolley

    A hand cart carrying refreshments for sale to passengers, used on train or on station platforms.

  • refrigerator

    Container or space maintained at a low temperature by means of ice or mechanical apparatus for the purpose of preserving its contents, especially food or drink

  • register

    A book, ledger or other document in which records are kept.

  • registration plate

    A plate, usually of cast metal, giving the date, registration number and name of the railway company with whom a private owner vehicle or locomotive has been registered.

  • regulations

    Use broadly for principles, rules, or laws designed to control or regulate behavior of individuals, corporations, or other entities.

  • regulator clock

    A pendulum clock or other type of clock which accurately keeps time, typically used to adjust the running other timepieces or to time astronomical observations (historical). For clocks physical adjusting slave dials or similar, use 'Master Clock'

  • regulator valve

    The main steam control of a steam locomotive, used to admit steam from the boiler into the cylinders.

  • regulatory sign

    Sign that is intended to regulate behavior, displaying such information as prohibitions or rules of order or conduct.

  • rehabilitative therapy

    Therapy to improve a person's condition after illness or injury, prevent further loss of function, and maintain or improve quality of life.

  • relief

    Use for images, especially pictorial compositions, executed in relief - a surface that has been carved, molded, or stamped so that an image or design projects from or is sunk into a continuous surface.

  • removal van

    A vehicle which is used to help transport goods, usually used by individuals when moving home.

  • replica

    Use for precise reproductions of valued objects, usually in the same dimensions as the original. For reproductions of an image alone, use "reproductions" or "facsimiles." Use also when more than one similar object is produced by the same artist, craftsman, or studio, with little or no variation between them; if variation is apparent, use "versions." Distinct from "forgeries" and "counterfeits," which are produced with the intent to deceive.

  • replicas

    Use for precise reproductions of valued objects, usually in the same dimensions as the original. For reproductions of an image alone, use "reproductions" or "facsimiles." Use also when more than one similar object is produced by the same artist, craftsman, or studio, with little or no variation between them; if variation is apparent, use "versions." Distinct from "forgeries" and "counterfeits," which are produced with the intent to deceive.

  • report

    Official or formal record of a special investigation, in the form of documents containing presentations of facts, proceedings, investigations, or events.

  • reproduction

    Copies of art images, art objects, or other valued images or objects, made without intent to deceive; with regard to art images, includes photographic reproductions; implies more precise and faithful imitation than does the term "copies (derivative objects)." Where the intent is to deceive, see "forgeries" or "counterfeits."

  • resistance thermometers

    Thermometers whose sensing element is an electrical resister, the resistance of which is an accurately known function of temperature. MHDST2.

  • respirator

    A device worn over the face to prevent the breathing in of poisonous substances.

  • resuscitation

    The act of restoring life to someone near death. This is done by such measures as artificial respiration (kiss-of-life) and cardiac massage.

  • resuscitator

    A device or instrument used for resuscitation after asphyxia or the cessation of breathing.

  • retinal detachment

    disorder of the eye in which the retina peels away from its underlying layer of support tissue. Initial detachment may be localized, but without rapid treatment the entire retina may detach, leading to vision loss and blindness.

  • retort

    A vessel in which chemical substances are heated for distillation or decomposition. Usually made from glass.

  • rheumatic fever

    A severe infectious disease most common in children. Symptoms include fever and painful inflammation of the joints. Rheumatic fever frequently results in permanent damage to the valves of the heart.

  • rheumatism

    A disorder where aches and pains affect the muscles and joints.

  • rhinoplasty

    Plastic surgery performed on the nose, either for reconstruction or cosmetic purposes.

  • rickets

    A condition caused by a lack of vitamin D. Characterized by soft and deformed bones, which can lead to an increased number of injuries.

  • ridemeter

    n/r.

  • rigor mortis

    Temporary stiffening of the muscles which begins within a few hours of death due to biochemical changes. The condition may last for up to four days before subsiding.

  • ring - jewellery

    Small circular band worn on the finger; typically circlets of real or simulated precious metal, and frequently set with precious stones or imitations of these, intended for wearing upon the finger either as an ornament or as a token.

  • ring - object genre

    Circular object made of various materials and in various sizes, used in many different contexts and applications.

  • ringworm

    An infection of the skin. Ringworm causes a reddish blemish with a light centre that resembles a 'ring'

  • riverboat

    Shallow-draft vessel for passage on rivers

  • riveting machine

    a machine for driving rivets

  • rivets

    Headed pinlike or boltlike fasteners of some malleable material used for uniting two or more pieces by passing the shank through a hole in each piece and then beating or pressing down the plain end so as to make a second head.

  • rollfilm camera

    A type of camera that uses roll film. A spool of roll film is usually loaded on one side of the camera and pulled across to an identical take up spool on the other side of the shutter as exposures are made.

  • Roma people

    Also known as Romany. Originated in the Punjab region of northern India as a nomadic people and entered Europe between the eighth and tenth centuries CE. Roma people were persecuted under the Nazi regime as they were believed to be 'racially inferior.'

  • rope

    Heavy cord, at least 1/4 inch in diameter, formed by plying together two or more strands of natural or artificial fiber.

  • rosary

    A string of beads (usually between five and fifteen) on which prayers are counted. Rosaries are usually worn and used by Catholics.

  • route indicating signal

    Any signal that has more than one running route and is capable of displaying an indication of route.

  • route indicator

    A device on a signal at a junction displaying a stencil letter or number code corresponding to the designation of the route to be taken by an approaching train.

  • router plane

    A woodworking tool used to rout out (hollow out) an area in the face of a piece of wood.

  • rubella

    A mild but highly contagious virus infection, causing swelling of glands in the neck and a widespread pink rash. Rubella is more common during childhood.

  • rugine

    drinking cup

  • rule book

    A book which incorporates the basic rules to be observed by general railway staff for the safe operation of the network.

  • ruler - measuring device

    Small or medium-sized strips, cylinders, or long wedge-shaped pieces of wood, metal, plastic, ivory, or another material designed for measuring or laying out linear dimensions or for drawing straight edges. They are used in geometry, drafting, drawing, carpentry, building, interior design, crafts, and other disciplines.

  • rules (instructions)

    Authoritative instructions for conduct, especially those governing procedure in a legislative body or in a game, sport, or contest. AHD.

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