Lead block

item game:metalblock-new-plain-lead · from betterruins

Produced by (1)

Filters

Recipe	Category	Ingredients → output
grid recipe	grid	Machinist's Mechanism Blueprint + Lead block → Lead block

Used in (3)

Filters

Recipe	Category	Ingredients → output
grid recipe	grid	Machinist's Mechanism Blueprint + Lead block → Lead block
corrodedcopperblock11	barrel	Lead block ×2 + Water ×10L → Lead block
corrodedcopperblock11-saltwater	barrel	Lead block ×2 + Sea water ×10L → Lead block

Found in structures (9)

Structure	Kind
Trader camps built on large trees	structure
Trader camps in shallow bodies of water or swamp	structure
Large trader outposts	structure
Trader camps in hot climate regions	structure
Trader camps in forest	structure
Devastation area	storystructure
Treasure Hunter	storystructure
Village area	storystructure
largeruins-0102-femursnapper-o7	structure

This confirms the schematic(s) contain this code somewhere, not where or how many times -- the per-instance block-entity decoding used for tapestries isn't run for every content type.