A century (from the Latin centum, meaning one hundred; abbreviated c.) is a period of 100 years. Centuries are numbered ordinally in English and many other languages.
Harnessing the sun’s heat is normally achieved with metal-based systems. EU-funded scientists developed polymeric solar thermal concepts to meet building heating needs at significantly reduced cost.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
