燃やす
black
blue
brazier
bunsen
burner
business
butane
circle
civilization
convenience
cook
cooker
cookery
cooking
costly
danger
dark
down
energy
environment
essential
fire
firemen
flame
fuel
gas
heat
hob
home
hot
industry
kitchen
light
living
natural
oil
organic
plasma
propane
refining
ring
temperature
torch