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Level 3

Unit 3 Systems


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pharmaceutical company
company which discovers, develops, produces, and markets drugs
conduct
to serve as a channel or medium for (heat, electricity, sound, etc.)
tiredness
in a need of rest or sleep
peacekeeping operations
the activity of preventing war and violence
accelerator
the pedal in a vehicle that makes it go faster
instance
particular situation or fact, especially an example of something that happens generally
friction
the force that makes it difficult for one object to slide along the surface of another
idleness
state of not working or being used
inconvenience
a state or an example of problems or trouble
draft
a piece of text containing the main ideas and intentions but not the developed form
indicate
to show, point, or make clear in another way
fault
a broken part or weakness
precaution
an action that is done to prevent something unpleasant or dangerous happening
check-in staff
the area at an airport where you show your ticket
combust
to start to burn
combustion chamber
a closed space in which combustion happens
fuel
a substance that is used to provide heat or power, usually by being burned
maintain
to continue to have; to keep in existence
speed up
to increase speed
extent
the size or importance of something
contaminate
to make something less pure or make it poisonous
householder
the person who owns or is in charge of a house
boil
to heat a container, especially one used for cooking
overflow
making water or another substance almost coming over the top
sewage
waste matter such as water or human urine or solid waste
adjacent
lying near, close, or contiguous
water sports
sports that take place on or in water
arrangement
an agreement between two people or groups about how something happens
comply with
to act according to an order, set of rules, or request
purity
the state of not being mixed with anything else
fortnight
a period of two weeks
discharge
the act of sending out waste liquid or gas
quarter
one of four equal or almost equal parts of something
undergo
to experience something that is unpleasant or something that involves a change
overhaul
to repair or improve something so that every part of it works as it should
fire drill
the set of actions that should be performed in order to safely leave a building
lever
a bar or handle that moves around a fixed point
cruise control
a system that automatically controls the speed of a motor vehicle
slippery
smooth and wet and difficult to hold or walk on
patch of oil
a stain produced by oil
rumble
to make a deep, long sound
software
programs that you use to make a computer do different things
perceive
to notice something that is not easy to notice
devise
to design or invent something such as a system, plan, or piece of equipment
shutdown
a termination of operations
propel
to push or move something somewhere, often with a lot of force
beam
a line of light shining from something
smash
to break into a lot of pieces with a loud noise
magnet
an iron object that makes pieces of iron or steel move towards it
superconductivity
the property of zero electrical resistance in some substances at very low absolute temperatures
vaporise
to turn, or cause something to turn, from a solid or liquid state into gas
mounting
a backing, setting, or support for something
shockwave
change of pressure in a narrow region travelling through a medium caused by explosion
expansion
an increase in the size or amount of something
puncture
make a puncture in sth
solder
a low-melting alloy used for joining less fusible metals
copper
a red-brown metal, the chemical element of atomic number 29
clamp
a brace, band, or clasp for strengthening or holding things together
wire
metal drawn out into the form of a thin flexible thread or rod
pliers
a small pincers with long jaws, for bending wire or holding small objects
wire cutters
a tool for cutting wire
resistor
a device having resistance to the passage of an electric current
trim
make sth neat or of the required size or form by cutting away unwanted parts
protruding
sticking out; projecting
soldering iron
an electrical tool used for melting solder and applying it to metals that are to be joined
tin sth
to cover or coat with tin
rosin
yellow resin that has become hard, used especially on the hairs of bows of stringed musical instruments to prevent the hairs from sliding over the strings
site
the area or exact plot of ground on which anything is, has been, or is to be located
dip
to put something into a liquid for a short time
rudder
a vertical blade at the stern of a vessel that can be turned horizontally to change the vessel's direction when in motion
vessel
a ship or large boat
vane
a blade in the wheel of a windmill, to be moved by the air
stern
severe, or showing disapproval
relinquish
voluntarily cease to keep or claim; to let go or release
gearbox
a set of gears with its casing, especially in a motor vehicle
stock
the goods kept on the premises of a shop and available for sale or distribution
gathering
an assembly or meeting, especially one held for a specific purpose
investigation
the action of investigating something or someone; formal or systematic examination or research
worn
shabby as a result of much use
vehicle
something such as a car or bus that takes people from one place to another
gather
to collect several things together
brake
make a moving vehicle slow down or stop by using a brake
briefing
information that is given to someone just before they do something
slight
small in degree; inconsiderable
omit
to leave out; fail to include or mention
product recall
a request to return a product after discovery of issues that might endanger the consumer
manufacturer
a person or company that makes the product
malfunction
a failure to function normally
valve spring
a helical spring used to hold closed a valve in the cylinder head of an internal-combustion engine
airbag deployment signal
a signal that indicates when to deploy the airbag
frontal collision
a crash of two vehicles that are moving directly toward each other
airbag inflator
a device that pumps air into the airbag
anti-lock braking system
an automobile safety system that prevent the wheels from locking up so they maintain tractive contact with the road
brake cylinder
a cylinder that contains brake fluid that is compressed by a piston
controller
a microprocessor that runs diagnostic checks of a vehicle’s antilock braking system and processes information from wheel-speed sensors and the hydraulic brake system to determine when to release braking pressure at a wheel that’s about to lock up and start skidding
speed sensor
a device used to detect the speed of an object usually a vehicle or a single wheel(ABS)
brake disc
a metal disc that revolves with the wheel
toothed ring
a notched metal circle used in the anti-lock brake system
brake regeneration system
an energy recovery system that slows a vehicle and converts its kinetic energy into a form which can be either used immediately or stored until needed
hydraulic brake
a type of brake, used in motor vehicles, in which the braking force is transmitted from the brake pedal to the brakes by a liquid under pressure
brake calipers
a mechanism that squeezes the brake disc to slow the rotary movement of the wheel
skid
the action of sliding or slipping over a surface
slippery road
a road that is smooth, wet or oily and makes it easy to lose traction
braking delay
a time between using the brake pedal and an actual braking of the vehicle
hybrid car
a vehicle that uses two or more distinct types of power
resale value
the price which something can achieve when sold in the future
rear-end crash
a traffic accident in which a vehicle crashes into the vehicle in front of it
fatality
someone who has died in a car accident
establish
to make firm and stable
retain
to continue to have, hold or use
indicate
to point out, suggest or to show, as by measuring or recording
regain
to get again or to recover
autopilot system
a system which is used to control the trajectory of an aircraft without constant manual control by a human operator being required
position sensor
any device that permits position measurement
actuator
a component of a machine that is responsible for moving or controlling a mechanism or system, for example by actuating (opening or closing) a valve
wing's ailerons
a hinged flight control surface that is a part of the aircraft's wing and that is used to control the aircraft in roll, which results in a change of flight path
causation
the relation of cause to effect
zinc
a ductile, bluish-white metallic element, used in making galvanized iron
blast furnace
a large vertical furnace for smelting iron from ore
oxide
a compound in which oxygen in bonded to one or more electropositive atoms
carbon monoxide
a colorless, odorless, poisonous gas, CO
limestone
a sedimentary rock consisting predominantly of calcium carbonate
slag
a matter separated during the reduction of a metal from its ore
electrolysis
the passage of an electric current through an electrolyte with subsequent migration of positively or negatively charged ions to the negative and positive electrodes
coke
a solid product used chiefly as a fuel in metallurgy to reduce metallic oxides to metals
virtual reality
a computer-generated environment that seems real
augmented reality
a real environment with added computer-generated details
3D graphics
the field of computer graphics concerned with generating and displaying three-dimensional objects in a two-dimensional space
stylus
a pen-shaped device used on a display screen to input commands or handwritten text or drawings
consumption
the act of consuming
period
any specified division or portion of time
oil reservoir
a solid sand formation in which oil has accumulated
steelmaking
the process for producing steel from iron ore and scrap
feedstock
a raw material for processing or manufacturing industry
sinter
the product of a sintering operation
maintenance
the act of keeping in existence or continuance
factor
one of the elements contributing to a particular result or situation