Language is a system that consists of the development, acquisition, maintenance and use of complex systems of communication, particularly the human ability to do so; and a language is any specific example of such a system.
European engineers have developed a self-regulating reversible inflow control device (ICD) to maximise oil production and shut off unwanted water and gas from production wells.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
