機器
alphabet
build
builder
building logo
business
carpenter
concept
construction
construction logo
design
drill
element
engineer
engineering
equipment
fastener
fix
hardware
head
icon
identity
industrial
industry
initial
letter
logo
m
maintenance
mechanic
metal
nut
pin
repair
rivet
screw
screw logo
screwdriver
service
shape
sign
steel
symbol
technical
technology
tool
work
workshop