Heat Collection (page 4)

Illustration of Downs Process, showing the industrial-scale extraction of sodium metal achieved by electrolysis of molten sodium chloride

Illustration of cross section of house showing insulation on floors and windows

Illustration of radiator thermostat

Illustration of showing how to melt ice covering pond using base of saucepan containing boiling wate

Digital illustration of pink fan

Digital illustration of boiled egg on spoon above red saucepan

Digital illustration of surfboard on tropical beach and parrot perching on palm tree

Illustration of old piece of carpet on top of compost bin

Digital Illustration of foam insulation surrounding bent pipe

Digital illustration of coal burning in firebox producing heat which transfers to boiling water, then saturated steam, which in turn powers motor to turn pistons forwards and backwards

Digital illustration of sprung metal draughtproofing strip nailed to runner grooves of sash window

Digital illustration of wood-burning stove, access trap and flue pipe

Digital illustration of two-part interlocking draughtproofing seal on door

Digital illustration representing natural gas flame

Illustration of Australia, Tasmania, and New Zealand, showing fauna, flora and places of interest

Three dimensional digital illustration of molecular structure of Ozone

Digital illustration of draughtproofing brush strip on bottom edge of door

Digital illustration of insulation on joined pipes

Digital Illustration of hardboard on top of floorboards in empty room

Digital Illustration of duct above cooker hood in domestic kitchen

Cross section digital illustration of draughtproofing rubber seal on sash window

Digital illustration of indirect water system connected to bathroom, kitchen, and heating boiler

Illustration of man sunbathing on sun lounger under partial shade of umbrella

Illustration of a geyser in showing rock strata below

Illustration showing how industrial pollution and car fumes contribute to global warming

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

Digital illustration of weather thermometer showing 10 degrees

Digital illustration of flame rising from bonfire

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 representing a bonfire

Digital illustration of Black-tailed Prairie Dog burrow system and nest under semi-arid ground

Digital illustration of burning matchstick

Digital illustration showing sensory neurons sending message to nerves in human arm after scalding b

Man drilling screws in plasterboard and batten to hide insulation, close-up

Man installing roof insulation in rafter, close-up

Digital illustration of burning green candle

Modern boiler on blue wall in domestic kitchen

Illustration of fire with yellow and red flames

Black and white illustration roast dinner cooking in oven

Illustration of cooking egg on heatproof plate over pan of boiling water

Black and white illustration of removing candle wax from tablecloth using warm iron and kitchen pape

Black and white illustration of positioning empty glass bowl in microwave next to mug full of water

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