Time, labor and tool efficient engineers!
Here's the link to this video:- https://www.instagram.com/p/CFPFBDLFvgy/ This video has 139k views till now with I think count still in progress! Its funny to see how creatively they have modified and used the truck and also the last bit where they used the weight lifting crane to put the weight on the structure. Those certainly are time, labor and supplementary material/tools efficient engineers!!