Hands holding crushed gravel aggregate and raw rock samples outdoors
Keywords
gravel,
aggregate,
crushed stone,
comparison,
construction material,
quarry,
stone,
raw material,
geology,
building material,
ballast,
gravel pit,
grass,
overcast,
natural light,
closeup,
documentary,
texture,
granule,
debris,
men at work,
engineer,
grading,
sorting,
sieve,
quality control,
infrastructure,
construction,
industry,
development,
mining