Science: Insulation

insulation

Insulation
insulation

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