Both Uses of

preserve
in
The 100, by Morgan

It had always been his favorite event, the one evening musical relics were taken out of their oxygen-free preservation chambers.†
p. 62.1 *

preservation = the act of protecting something or keeping it as it is

The Council had approved the exception, and for the first time anyone could remember, the Earthmade instruments were taken from their preservation chambers and carried carefully to the observation deck for the comet viewing party.†
p. 266.3

Definitions:

(1) (preserve as in: preserve the records)
to protect something or to keep it as it is
(2) (preserve as in: preserve the peaches)
to prepare food in a way that keeps it from spoiling
(3) (preserve as in: a wildlife preserve)
protected wildlife area
(4) (preserve as in: no longer a male preserve)
something exclusive to (someone or some group) -- such as an activity or place
(5) (preserves as in: mom made preserves)
chunks of fruit cooked with sugar (like jam) and sealed (usually in a mason jar) so it will not spoil