Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
G R O A P F T U I
T A E H O T A N G
E R I F E J S U N
E V O T S U D C P
O Z U K L N F O K
R D W A T C A R H
Y L T G F N F R M
Q O X T Z W P K T
R C Q Y G R E N E
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