a machine to cut the cost of building by more than 40%

shocks

Chief Lister
I really doubt the economics, I know for a fact ndarugo stones in Nairobi (I think Nyeri too has quarries) are cheaper than hollow masonry blocks, na since hizi zake si hollow........
unless anatumia quarry dust and very little concrete which calls into question its crushing strength
Good idea, but if the NCA has approved vumbi and cement that way, why not cast entire walls?
Anahepa cost ya formwork,but I'm sure cost ya labour cancels that
 
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