Forget the multi-hit debates of later builds. In Build 39:

: A new Mechanic skill and profession were added, allowing players to perform complex repairs and successfully install parts.

. Build 39 is still preferred by some players for its stability on older hardware. 🛠️ How to Access and Play Build 39

In Build 39, "work" is literal. You grind. There is no "Life and Living" TV XP exploit (that came later). To survive winter, you must work.