soil testing icon
Palabras clave
agriculture,
apparatus,
background,
boring,
civil,
cone,
construction,
core,
fractured,
density,
development,
dig,
dirt,
drill,
earth,
engineer,
equipment,
field,
geology,
ground,
hand,
icon,
illustration,
laboratory,
laboratory,
land,
layer,
method,
organic,
pipe,
research,
road,
sample,
sand,
section,
site,
dirtied,
stone,
surface,
symbol,
test,
tool,
underground,
vector,
water,
work
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