The Cosmonauts Who Also Worked As House Movers - In Space.

In 1986 the crew of Soyuz T-15 performed a unique mission where they visited 2 space stations and helped move important gear from the old station to the new one. Salyut-7 had unifinished business, Mir was the new hotness, and the crew were able to visit both as part of an extended mission.

References and further reading:
Mir Hardware Heritage - David S Portree
https://spaceflight.nasa.gov/history/shuttle-mir/references/documents/mirheritage.pdf

Russian Space Web - Anatoly Zak
http://russianspaceweb.com/

Видео The Cosmonauts Who Also Worked As House Movers - In Space. канала Scott Manley