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Technology
Technology: Terms and Concepts
Technology: Terms and Concepts
phase-contrast microscope
photocopying
Photograph
Photonics
photostat
pier
pipe
plumbing
plywood
Polaroid
pontoon
port
positive
prairie schooner
precession
Pressure Gauge
projector
propeller
pulley
Pulp
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Research Categories
Earth and Environment
History
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Medicine
People
Philosophy and Religion
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Science and Technology
Social Sciences and the Law
Sports and Everyday Life
Additional References
Articles
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