Workers pouring concrete with a cement mixer truck.
Palabras clave
concrete,
cement,
men at work,
construction,
work,
labor,
machine,
builder,
industry,
contractor,
structure,
mixer,
equipment,
pour,
mix,
man,
industrial,
pump,
engineering,
machinery,
male,
manual,
mixing,
steel,
rebar,
building,
architecture
