They dissipate over time.
Mothball Mint was created in 1997.
They simply dry out & become ineffective. most are good for 6 mos.
no
no
Shadow Cabinet of Michael Foot happened in 1980.
Shadow Cabinet of James Callaghan happened in 1980.
Shadow Cabinet of John Smith happened in 1992.
no
mothball
No.
Inside the cabinet
inside a locked gun cabinet