accident
amperage
bare
beauty
blue
bright
cables
circle
clean
close up
communication
connection
copper
danger
drop
electricity
energy
harm
hazardous
industry
lightning
liquid
macro
metal
motion
naked
power
purity
rain
red
reflection
risk
shape
shiny
sign
smooth
sparse
speed
symbol
technology
transparent
triangle
voltage
warning
water
wet
wire
yellow