Re: back of laptop quite hot (insulation wore off)

Several layers of duck-tape.


DUCT(-tape)
1. An often enclosed passage or channel for conveying a substance,
especially a liquid or gas.
2. Anatomy. A tubular bodily canal or passage, especially one for
carrying a glandular secretion: a tear duct.
3. A tube or pipe for enclosing electrical cables or wires.

(-tape originally designed to seal joints in an "...enclosed passage"
or "...tube or pipe")

not

DUCK(-tape)
1. Any of various wild or domesticated swimming birds of the family
Anatidae, characteristically having a broad, flat bill, short legs, and
webbed feet.
2. A female duck.
3. The flesh of a duck used as food.
4. Slang. A person, especially one thought of as peculiar.

(-tape: ????)

.