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Getty Images
Hammer beam bridge
Pillar of the old concrete bridge repairs, which were decimated by the hammer of the backhoe.
Getty Images
Asphalt breaking bridge
Old concrete road and bridge repairs, which were decimated by the hammer of the backhoe.
Getty Images
Breaking the old bridge
Old concrete road and bridge repairs, which were decimated by the hammer of the backhoe.
Getty Images
Destroyed roads, bridges
Old concrete road and bridge repairs, which were decimated by the hammer of the backhoe.
Getty Images
Hammer beam bridge
Old concrete road and bridge repairs, which were decimated by the hammer of the backhoe.
Getty Images
MS Car mechanic repairing car engine / United States
MS Car mechanic repairing car engine / United States
Getty Images
Ancient Russian aircraft biplane An2 flying in the blue sky
Ancient Russian aircraft biplane An2 flying in the blue sky
Sherman Grinberg Film Library
Canadian workmen manufacture engines
VS Heavy crucible with molten metal being poured; man looks through a viewfinder; crankshafts being moved from sand casting; engine blocks being lowered / VS worker and spinning machining wheel; drills boring out engine's cylinders /...
Curated Video
Inventor presents bicycle powered by compressed air
1. Various of Armando Regusci on his bike
2. Two passers-by talking about Regusci's
bike
3. Close up of Regusci's bike, motorbike chain
breaking
4. Regusci showing three workers...
2. Two passers-by talking about Regusci's
bike
3. Close up of Regusci's bike, motorbike chain
breaking
4. Regusci showing three workers...
Curated Video
Annual fair celebrates the age of the steam engine
South Down, Tarrant Hinton, near Blandford Forum in Dorset - recent
1. Steam roller engines with smoking fu
nnels
2. Steam engine passes by people in crow
d watching
3. Close up of...
1. Steam roller engines with smoking fu
nnels
2. Steam engine passes by people in crow
d watching
3. Close up of...
AFP News Agency
CLEAN : NGO workers raise awareness as plague sweeps Madagascar
NGO volunteers are working in the Analamanga region in Madagascar informing residents of how best to guard against the plague outbreak sweeping the country
AFP News Agency
CLEAN : FILE: Plague outbreak in Madagascar revived dread of a killer
Most inhabitants of Madagascar thought the plague was a footnote of medical history until the disease dramatically returned last year slaying more than 200 people
Khan Academy
Khan Academy: Chemistry: Carnot Cycle and Carnot Engine
A video lecture discussing the four processes of the Carnot cycle. Each step of the process is described and illustrated relating the temperature change and whether heat was absorbed or released. Also explained is the P-V diagram for the...