Arrow Symbol Collection (page 4)

Illustration of water-powered turbine generator

Digital illustration of underground gasification mixing coal with oxygen and steam while being heated and pressurized

Digital illustration of waving hand

Digital illustration of hand sign language representing shooting a handgun

Digital illustration of X-linked recessive inheritance

Digital illustration of nuclear propulsion in first nuclear-powered submarine USS Nautilus (SSN-571), launched in 1955

Digital illustration showing body propulsion of fish using tail and fin to generate sideways and backwards thrust in water enabling it to swim in a straight line

Digital image sequence of aircraft performing stall turn aerobatic maneuver

Sequence of digital illustrations showing Killer Whales (Orcinus orca) wave hunting for seals resting on ice floes

Digital illustration of solar updraft tower, an innovative alternative energy power plant showing collectors, turbines and thermal storage

Digital image sequence showing how hot, and cold, water moves sideways and above from central heating boiler to heat radiators and bath water

Digital illustration of glider remaining in sky by angling wings downwards and hitching lifts on currents of warm air

Digital illustration of scuba diving oxygen rebreather

Cross section digital illustration of mechanism inside World War One US battleship turret gun

Digital image sequence of aircraft performing aerobatic half Cuban maneuver

Digital illustration of recessive inheritance where both parents carry the abnormal Albinism gene

Digital illustration showing temporary cell damage to genes on chromosomes caused by an attacking carcinogen

Digital illustration of partially submerged submarine floating just below surface of water, submerging and fully submerged submarines, and surfacing. submarine

Digital illustration of four high speed video cameras, known as hawk-eye, positioned to visually track path of ball on tennis court

Digital illustration of squid drawing water into mantle cavity using muscles to expand and contract

Digital cross section illustration of Porcupine Fish and Puffer Fish abdomen

Digital cross section illustration of four chambers in stomach of ruminant, showing rumen, reticulum

Digital cross section illustration of ventilation system inside termite mound

Digital illustration of the evolution of a cancer from initiation to metastasis

Digital illustration of yellow and blue direction signs

Digital illustration of action pathways of anti-cancer agents

Illustration showing role of fibre in human digestive process

Illustration of electrolytic capacitator, LED, transistor resistor

Illustration showing how a pulley works

Cross section illustration showing how a carbon filtration tank works

Cross section illustration of a power station

Cross section illustration of nuclear reactor

Illustration of nitrogen cycle in biosphere

Illustration of water cycle from mountain to ocean

Illustration of commercial airplane flying above hurricane

Illustration of plate movement

Illustration of LED

Illustration of hole in ozone layer

Cross section illustration showing how a plants stem grows upwards and its roots grow underground

Illustration of ice skater starting to spin, then increasing rate of spin to maintain angular moment

Illustration of the factors causing neap tides, Moon exerting pull on sea, Sun counteracting Moon s

Illustration of the factors causing spring tides, Sun in line with Earth and Moon, adding the Sun s

Illustration of a car accelerating around a bend

Illustration of the Earth with arrows indicating air movements towards and away from the equator

Illustration of respiratory system of a fish with gill filaments (lamellae) highlighted in red

Illustration of parallel circuit

Illustration of river meander, deposition occurring where water flows with least energy, and erosion

Illustration of river deposition, course of river changing as a result of erosion

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