燃やす
air
apparatus
black
boil
boiler
book
burner
climate
comfort
construction
convenience
design
device
domestic
electric
energy
equipment
fire
frame
gas
geyser
heat
heater
home
hot
house
household
icon
indicator
installation
isolated
landslide
line
paper
pipe
simple
symbol
system
tank
technology
temp
temperature
thermal
thermodynamic
water
white