Plumbing
Household Faucet 2
A metal thin block with 250 hit points.
Where to find (7 POIs)
Ostrich Hotel (tier 5), Flushing Rule Palace (tier 4), Working Stiff Superstore (tier 3), Doggos (tier 2), Working Stiff Tools (tier 2), LUX Restaurant, Pete's Grill.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.