Science: Insulation

insulation

Insulation
insulation

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