The visually perceived property of objects created by absorption or reflection of specific wavelengths of light.
Colors
D004190
Disasters
Calamities producing great damage, loss of life, and distress. They include results of natural phenomena and man-made phenomena. Normal conditions of existence are disrupted and the level of impact exceeds the capacity of the hazard-affected community.
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
Design, development, manufacture, and operation of heavier-than-air AIRCRAFT.
Parachuting,Air Traffic Control,Control, Air Traffic,Traffic Control, Air
D012767
Ships
Large vessels propelled by power or sail used for transportation on rivers, seas, oceans, or other navigable waters. Boats are smaller vessels propelled by oars, paddles, sail, or power; they may or may not have a deck.