aggregate
analysis
asphalt
compaction
construction
consulting
course
deflection
deflectometer
degree
density
device
earth
engineering
equipment
falling
field
flexible
formation
grading
instrument
layer
level
light
lightweight
lwd
man
manual
material
measurement
operation
pavement
portable
prepared
quality
railroad
railway
road
sand
service
site
soil
stiffness
street
subbase
subgrade
system
test
tool
transport
weight
worker
定額
A road construction site: A worker using a transport engineering instrument, a lightweight deflectometer, for measuring subgrade and subbase layers percents of compaction of groundの素材 [FY310104536199]
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