concrete testing icon
Palabras clave
block,
breaking,
building,
cement,
check,
concrete,
construction,
fractured,
crash,
cube,
cylinder,
demolition,
design,
durability,
engineer,
engineering,
equipment,
exam,
fresh,
grout,
icon,
industry,
inspection,
intact,
isolated,
laboratory,
material,
molded,
press,
pressure,
production,
pump,
quality,
sample,
site,
slump,
strength,
structure,
surface,
symbol,
technology,
test,
tool,
vector,
work,
men at work
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