solo, central java, november 29, 2024: the process of constructing a multi-storey building using a concrete pump and mixer truck

solo central java november 2024 concrete pump truck delivered ceiling 4nd floor construction site building work industry engineering cement crane equipment industrial development mixer contractor hose build pouring sky machine lift harbor port cargo machinery steel heavy blue mining metal transportation loading coal transport container shipping proses pembangunan gedung bertingkat process constructing multi-storey using