Maɣef ay tettfermt n Jib Tower Crayens i usenhu-nnek ay d-itteddun?

Maɣef ay tettfermt n Jib Tower Crayens i usenhu-nnek ay d-itteddun? Ɣefhem n Luffing Jib Tower Cranes Luffingg n teb n tduker n tmerwin n tmeaddiyin n tmerwin n tmeɣliyen n tnubt ay d-yegdef s tmeɣli. ien, Ssanufan deg tmerwin n yimenniren iɣen. Igerḍen-a ttban-d s jib-nsen ameẓyan (wiɣ-nni n tgel-nni) ay yezmer ad tt-id-yettnefk yernu ad tt-id-yesseɣlen s tmerrden, Ɣef-d tmeddurt n tɣawsa