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Sustainable development
H
Alphabetical index
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Halogen lamp
A halogen lamp is an incandescent lamp with a quartz glass ...
Hazardous waste
Hazardous waste is waste that, due to its composition or ...
Hem
A hem is the first layer of plants of a boundary area or ...
Heritage species
A heritage species belongs to a group of protected species, ...
High energy performance
In the French building sector, the Hautes Performances ...
Hybrid vehicle
A hybrid vehicle is a vehicle that is driven by at least two ...
Hydraulic energy
Hydraulic energy is a renewable energy that releases a very ...
Hydroelectric pumping station
Stations that transfer energy by pumping use the differences ...
Hydroelectricity
Hydroelectricity is an energy that uses hydraulic energy to ...
Hydrogen engine
A hydrogen engine is a device that transforms the chemical ...
Hydrogen fuel cell and electric engine
There are three types of hydrogen engines: reaction engine; ...
Hydrogen reaction engine
There are three types of hydrogen engines: reaction engine; ...
Hydrogen vehicle
A hydrogen (H2) vehicle is a type of clean vehicle that uses ...
Hydroponics
Hydroponics is a soil free farming technique that uses ...