Politics (from Greek: πολιτικά, translit. Politiká, meaning "affairs of the cities") is the process of making decisions that apply to members of a group.
Rotorcraft engines are becoming more electric for greater efficiency and safety. Powering these electrical systems with waste heat conversion will ensure sustainability.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
