Can I ask what the furnace does?

Hi folks

Need to get an Adjustable Wrench. Just wondering which specific industrial building(s) spawn them more commonly that others?

Thanks.

Right so after grinding out a good amount of long hours and zombie killing acquiring the zombie parts required for the zombie antivirus research quest, I was immediately gutted to see that I had to acquire more zombie parts as part of crafting the vaccine. Now I understand that some part of a zombie...