(objet round) ball. une boule de cristal a crystal ball. roulÃ© en boule curled up in a ball. (pour jouer) bowl. jouer aux boules to play bowls. * se mettre en boule to fly off the handle, to blow one's top. perdre la boule to go off one's rocker *. boule de gomme. nf (=bonbon) gum.
Communications security is the discipline of preventing unauthorized interceptors from accessing telecommunications in an intelligible form, while still delivering content to the intended recipients. In the United States Department of Defense culture, it is often referred to by the abbreviation COMSEC. The field includes cryptographic security, transmission security, emissions security and physical security of COMSEC equipment and associated keying material. COMSEC is used to protect both classified and unclassified traffic on military communications networks, including voice, video, and data.
Viscose rayon is a fiber of regenerated cellulose; it is structurally similar to cotton but may be produced from a variety of plants such as soy, bamboo, and sugar cane. Cellulose is a linear polymer of Î²-D-glucose units with the empirical formula (C 6 H 10 O 5) n.iscose rayon fiber is a soft fiber commonly used in dresses, linings, shirts, shorts, coats, jackets, and other outer wear; it is also used in industrial yarns (tyre cord), upholstery and carpets.