Science: Insulation

insulation

Insulation
insulation

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