Reflectance values express the percentage of light that is reflected back from a surface, the difference having been absorbed or transmitted by the surface. Reflectances of room surfaces are used in determining coefficient of utilization values for luminaires.
The last three lines show you how to define your own awk function. The format is simple -- type function, then the function name, and then the parameters separated by commas, inside parentheses. After this, a { } code block contains the code that you'd like this function to execute.
A wok is a versatile round-bottomed cooking vessel, originating from China. The use of the wok is very prevalent in South China. It is one of the most common cooking utensils in China and also found in parts of East, South and Southeast Asia, as well as becoming a popular niche cookware in all the world. Woks are used in a range of different Chinese cooking techniques, including stir frying, steaming, pan frying, deep frying, poaching, boiling, braising, searing, stewing, making soup, smoking an