Close-up view of a worker using a specialized soil testing tool on a construction site.
Keywords
men at work,
dirtied,
testing,
tool,
construction,
site,
closeup,
glove,
safety,
gear,
detail,
precision,
equipment,
dirt,
exam,
technology,
engineering,
professional,
task,
work,
ground,
analysis,
sample,
technique,
sharpened,
industry,
manual,
operation