https://www.youtube.com/watch?v=hIKK56lqFkg [2] (Προστασία από σεισμό)
https://www.youtube.com/watch?v=l1RXCTXmdl0 [3] (Διασταύρωση δρόμου με χείμαρρο)
Σύνδεσμοι
[1] https://dimosfx.gr/el/%CE%B5%CE%BD%CE%B7%CE%BC%CE%B5%CF%81%CF%89%CF%84%CE%B9%CE%BA%CE%AC-%CE%BC%CE%B7%CE%BD%CF%8D%CE%BC%CE%B1%CF%84%CE%B1-%CF%80%CF%81%CE%BF%CF%83%CF%84%CE%B1%CF%83%CE%AF%CE%B1%CF%82-%CE%B1%CF%80%CF%8C-%CF%83%CE%B5%CE%B9%CF%83%CE%BC%CF%8C-%CE%BA%CE%B1%CE%B9-%CE%B1%CF%80%CF%8C-%CE%B4%CE%B9%CE%B1%CF%83%CF%84%CE%B1%CF%8D%CF%81%CF%89%CF%83%CE%B7-%CE%B4%CF%81%CF%8C%CE%BC%CE%BF%CF%85-%CE%BC%CE%B5-%CF%87%CE%B5%CE%AF%CE%BC%CE%B1%CF%81%CF%81%CE%BF
[2] https://www.youtube.com/watch?v=hIKK56lqFkg
[3] https://www.youtube.com/watch?v=l1RXCTXmdl0
[4] https://dimosfx.gr/el/%CE%BA%CE%B1%CF%84%CE%B7%CE%B3%CE%BF%CF%81%CE%AF%CE%B5%CF%82/%CE%B4%CF%81%CE%B1%CF%83%CF%84%CE%B7%CF%81%CE%B9%CF%8C%CF%84%CE%B7%CF%84%CE%B5%CF%82