A blue box is an illegal electronics device, used to obtain free telephone calls. The device works by copying the signals from legitimate long-distance calls and switching the calls so that the user of the blue box obtained free calls.
A blue-tipped thermometer is commonly used for axillary temperature readings.
Obento is (as commonly used) the food which goes into a bento box.
marbled blue
The Greek word for blue is "γαλάζιο" (galázio). It is commonly used to refer to the color blue in Greek language.
A blue box looks blue because it absorbs all colors of light except blue, which it reflects. This reflected blue light is what our eyes see, giving the box its blue color.
because it's hotter.
Yes, an electromagnet is commonly used in an iron box. The electromagnet generates heat when electricity passes through it, which then heats up the metal plate at the bottom of the iron box to iron clothes.
Gauze is commonly used to clot and clean open wounds.
Some popular music box melodies commonly used in music boxes include "Fr Elise" by Beethoven, "Canon in D" by Pachelbel, and "Twinkle, Twinkle, Little Star."
a blue box
Some effective blue counterspells commonly used in the Modern format of Magic: The Gathering include Mana Leak, Remand, Cryptic Command, and Force of Negation.
The colors most commonly used in a compass rose are black, white, red, and blue. Black and white are typically used for indicating direction points and labels, while red and blue may be used to highlight cardinal directions.