The Vertical Cutting Head

Construction, foundations, surface water control and drainage, tunneling. Take note of the territory - hill side, looks like around Singapore or Malaysia, high rainfall, soft earth, deep reinforced concrete foundations, probably in a modest earthquake prone area... etc.

Looks to be about 2 meters wide by 3 meters long.... Pretty incredible machine...

AND they probably figured that ONE specialised vertical boring machine, could dig 50 foundation holes for each one of 100 buildings, in the next 5 years, making it completely worthwhile. Well this is a hint: Hydraulic Drum Digging Machine. https://monteono.en.made-in-ch....ina.com/product/uZdT

https://www.made-in-china.com/....productdirectory.do?

The hydraulic driven drums are nothing new. The drums with carbide dirt and rock cutters are nothing new either. But the vertical borind 6 drum cutting head arrangements are.... https://i.ytimg.com/vi/v51-HUz....rMbI/maxresdefault.j

Trenching gear - old as the hills. https://static.cdn.asset.apara....t.com/avt/38298461-9

OLd as the hills in coal minging --- https://thumbs.dreamstime.com/....b/coal-extraction-co