Science: Insulation

insulation

Insulation
insulation

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