Mostly consisting of sleeping for a loooong time.
Other needful things: Towels should be able to be (a)ctivated to remove bile blindness caused by boomer zombies. Also, you need to be able to wear a Towel to make you blind. Perhaps some crafting recipes for folding a towel into a towel turban, towel skirt, and towel cape as well 
Acid is acrid, and stings the eyes and nose, causing watering and pain. I suggest that if a player doesn’t have a certain degree of mouth or eye protection when exposed to acid (puddle, spit, or otherwise) they suffer a perception/pain penalty for a period of time.