機器
appliance
background
boiler
central
cold
comfort
control
device
domestic
electric
energy
equipment
gas
heat
heater
heating
home
hot
house
household
industrial
industry
interior
iron
isolated
metal
modern
new
object
pipe
power
radiator
regulator
room
steam
steel
stove
system
technology
temperature
thermal
thermostat
valve
wall
warm
warmth
water
white
winter