How to Make a Thermos
Select a bottle.. Wrap the bottle in paper towels.. Wrap the bottle in aluminum foil.
Steps
1
Select a bottle.
Select a bottle.
2
Wrap the bottle in paper towels.
Wrap the bottle in paper towels.
3
Wrap the bottle in aluminum foil.
Wrap the bottle in aluminum foil.
4
Cut away the excess.
Cut away the excess.
5
Wrap the bottle in electrical tape.
Wrap the bottle in electrical tape.
6
Test the thermos.
Test the thermos.
7
Select two bottles.
Select two bottles.
8
Cut off the top of the larger bottle.
Cut off the top of the larger bottle.
9
Cut the larger bottle in half.
Cut the larger bottle in half.
10
Coat the larger bottle with foil.
Coat the larger bottle with foil.
11
Wrap the smaller bottle in cloth.
Wrap the smaller bottle in cloth.
12
Center the smaller bottle inside the larger one.
Center the smaller bottle inside the larger one.
13
Fill the gap with cotton.
Fill the gap with cotton.
14
Slip the two halves of the larger bottle together.
Slip the two halves of the larger bottle together.
15
Wrap the outside in electrical tape.
Wrap the outside in electrical tape.
16
Test the thermos.
Test the thermos.
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