surface colouring
31Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
32Edge coloring — A 3 edge coloring of the Desargues graph. In graph theory, an edge coloring of a graph is an assignment of “colors” to the edges of the graph so that no two adjacent edges have the same color. For example, the figure to the right shows an edge… …
33Asphalt — Note: The terms bitumen and asphalt are mostly interchangeable, except where asphalt is used as an abbreviation for asphalt concrete For other uses, see Asphalt (disambiguation). Natural bitumen from the Dead sea …
34dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …
35food additive — additive (def. 4). * * * ▪ food processing Introduction any of various chemical substances added to foods to produce specific desirable effects. Additives such as salt, spices, and sulfites have been used since ancient times to preserve… …
36Orca — Taxobox name = Orca status = LR/cd | status system = IUCN2.3 status ref = image caption = Transient Orcas near Unimak Island, eastern Aleutian Islands, Alaska image width = 250px image2 caption = Size comparison against an average human regnum =… …
37List of birds of Cuba — This is a list of the bird species recorded in the archipelago of Cuba which consists of the main island of Cuba and over 1000 smaller cays and islands. The avifauna of Cuba includes a total of 368 species, of which 25 are endemic, 17 are… …
38List of birds of Guatemala — This is a list of the bird species recorded in Guatemala. The avifauna of Guatemala includes a total of 735 species, of which 1 is endemic, 2 have been introduced by humans, and 23 are rare or accidental. 10 species are globally threatened.This… …
39List of birds of El Salvador — This is a list of the bird species recorded in El Salvador. The avifauna of El Salvador includes a total of 583 species, of which 3 have been introduced by humans, and 40 are rare or accidental. 3 species are globally threatened.This list s… …
40List of birds of Honduras — This is a list of the bird species recorded in Honduras. The avifauna of Honduras includes a total of 738 species, of which 1, the Honduran Emerald, is endemic, 2 have been introduced by humans, and 19 are rare or accidental. 10 species are… …
