simplemind JF-Expert Member Joined Apr 10, 2009 Posts 16,795 Reaction score 9,733 Sep 23, 2018 #1 Ever wondered how the tower crane at construction site grows with increasing building height ,it lifts itself by own bootstrap. Easy Sunday.
Ever wondered how the tower crane at construction site grows with increasing building height ,it lifts itself by own bootstrap. Easy Sunday.
Heisenberg JF-Expert Member Joined Apr 26, 2017 Posts 1,688 Reaction score 2,982 Sep 23, 2018 #2 Mkuu hii ndo youtube channel yako??