-
745.
Ore-dressing
Subjects
-
746.
Ore-dressing plants
Subjects
-
747.
Orientation
Subjects
-
748.
Oscillations
Subjects
CyclesFluctuations (Physics)Vibration
-
749.
Oscillographs
Subjects
Electronic apparatus and appliancesCathode rays
-
750.
Oscilloscopes
Subjects
Electronic apparatus and appliances
-
751.
Outdoor furniture
Subjects
Municipal artUrban design
-
752.
Overhead electric lines
Subjects
Electric lines
-
753.
Padlock (Bicycle)
Genre/Form
Equipment
-
754.
Paintbrushes
Subjects
-
755.
Palomares hydrogen bombs incident, Andalusia, 1966
Subjects
Nuclear accidents
-
756.
Paper mills
Subjects
Mills
-
757.
Paper recycling
Subjects
PaperWaste products
-
758.
Parking garages
Subjects
Garages
-
759.
Particle accelerators
Subjects
AtomsElectronicsNuclear physicsParticle physics
-
760.
Passenger ships
Subjects
Merchant ships
-
761.
Pavements
Subjects
-
762.
Peer-to-peer architecture (Computer networks)
Subjects
Computer network architectures
-
763.
Permanent magnets
Subjects
Magnets
-
764.
Personal transporters
Subjects
Vehicles
-
765.
Petroleum chemicals industry
Subjects
Petroleum industry and trade
-
766.
Petroleum engineering
Subjects
Mining engineering
-
767.
Petroleum industry and trade
Subjects
Energy industries
-
768.
Petroleum pipelines
Subjects
Pipe
Last updated dated: 27/04/2025