12.01.2022

 

Enerji verimlili haftası kutlu olsun. Aklınla Verimli Yaşa... 

https://www.youtube.com/watch?v=XCqN6mz4vhc

https://www.youtube.com/watch?v=oSbu6xbuYnw

https://www.youtube.com/watch?v=f1svg8gHLPg