機器
agricultural
agriculture
agronomy
background
car
color
colorful
contour
design
equipment
farm
farmer
farming
field
filled
flat
graphic
harvest
heavy
icon
illustration
industrial
industry
isolated
line
linear
lineart
machinery
offroad
outline
power
rural
sign
silhouette
simple
symbol
technology
tractor
transport
transportation
truck
vehicle
vespa
wheel
work