Science: Insulation

insulation

Insulation
insulation

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