Install the formwork and cast the house waist beam ring 

This is an easy way to make formwork and cast ring for waist beams / house belt beams that many builders don't know about.
Brilliant tricks or ideas in carpentry do not only appear through senior craftsmen, but village craftsmen also have new skills or ideas to make their work easier.
and the brilliant ideas of this village craftsman need to be emulated if you want. Or still want to use the old way is also okay. the result is the same.
okay builders, let's share knowledge to build our respective countries.