-
433.
Glass
Subjects
CeramicsWindows
-
434.
Glass-ceramics
Subjects
CeramicsGlass
-
435.
Gliders (Aeronautics)
Subjects
-
436.
Gold mines
Subjects
Mines and mineral resourcesGold
-
437.
GPRS
Subjects
Cell phone systems
-
438.
Granular materials
Subjects
Materials
-
439.
Graphene
Subjects
-
440.
Graphic statics
Subjects
-
441.
Graphics processing units
Subjects
Computer graphics
-
442.
Green electronics
Subjects
ElectronicsSustainable engineeringGreen products
-
443.
Grenades
Subjects
BombsProjectiles
-
444.
Grinding wheels (Technology)
Subjects
Abrasives
-
445.
Gunpowder
Subjects
FirearmsExplosivesFireworks
-
446.
Haptic devices
Subjects
Computer input-output equipmentUser interfaces (Computer systems)Robotics
-
447.
Harbors
Subjects
CommunicationsCivil engineeringTransportation
-
448.
Hazardous waste site remediation
Subjects
Pollution prevention
-
449.
Hazardous waste sites
Subjects
Sanitary landfills
-
450.
Headphones
Genre/Form
Equipment
-
451.
Heat engineering
Subjects
Heat
-
452.
Heat exchangers
Subjects
CoolingTransmission of heat
-
453.
Heat pumps
Subjects
Heating installationsPumping machineryThermodynamics
-
454.
Heat recovery
Subjects
Cogeneration of electric power and heat
-
455.
Heat storage
Subjects
Heat engineering
-
456.
Heat-engines
Subjects
EnginesHeat engineering
Last updated dated: 27/04/2025