abstract
appliance
background
burning
classic
cold
comfort
comfortable
danger
device
domestic
electric
electrical
electricity
element
energy
equipment
fire
glowing
halogen
heat
heater
home
hot
household
infrared
isolated
lamp
light
metal
modern
orange
plastic
power
radiator
red
reflector
resistance
season
steel
technology
temperature
warm
warmer
warmly
warmness
warmth
white
winter
yellow