Communication (from Latin commūnicāre, meaning "to share") is the act of conveying intended meanings from one entity or group to another through the use of mutually understood signs and semiotic rules.
EU-funded researchers unveiled a cost-effective solar cogeneration system that captures excess heat that solar cells dissipate and uses it to produce useful hot water.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
