機器
art
background
bright
color
colorful
contour
currency
dig
discovery
excavate
glowing
gold
golden
goldmine
grungy
heap
icon
illustration
industrial
industry
iron
isolated
light
line
linear
lineart
metal
mine
miner
mineral
mining
neon
nugget
old
ore
outline
power
precious
rich
rock
shiny
stone
success
texture
treasure
wealth