-
793.
Plastics industry
Subjects
Chemical industry
-
794.
Plates (Engineering)
Subjects
Structural analysis (Engineering)
-
795.
Plating
Subjects
-
796.
Plows
Subjects
Agricultural instrumentsAgricultural machinery
-
797.
Plumbing
Subjects
Environmental engineering (Buildings)
-
798.
Pneumatic control
Subjects
Automatic control
-
799.
Pneumatic machinery
Subjects
Compressed airPneumatics
-
800.
Polikarpov aircraft
Subjects
Fighter planes
-
801.
Polil (Trademark)
Subjects
Trademarks
-
802.
Pollution
Subjects
Effect of human beings on naturePublic health
-
803.
Popular (Trademark)
Subjects
Trademarks
-
804.
Portable computers
Subjects
Mobile computingMicrocomputers
-
805.
Postharvest technology
Subjects
-
806.
Powder metallurgy
Subjects
-
807.
Power electronics
Subjects
ElectronicsElectric power
-
808.
Power resources
Subjects
Natural resources
-
809.
Power windows
Subjects
-
810.
Power-plants
Subjects
-
811.
Predictive control
Subjects
Automatic control
-
812.
Preservation of materials
Subjects
Materials
-
813.
Pressure vessels
Subjects
High pressure (Science)Pressure
-
814.
Pressurized water reactors
Subjects
Nuclear reactors
-
815.
Prestel (Videotex system)
Subjects
Videotex systems
-
816.
Prestige oil spill, Spain, 2002
Subjects
Environmental disasters
Last updated dated: 01/11/2025