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Building · Item

Cement

Clay and limestone fired in the Furnace: the binder of concrete and of rocket fairings.

CH5Chemistry · Main path

In the game

How to get it

Furnace: clay in the ore slot and 16 voxels of limestone (or chalk) in the reducer slot: 2 cement in 10 s.

What it is for

The concrete mixer (one cement per cubic metre of concrete) and the rocket fairing (8 cement hold its shell parts).

Why it exists

Concrete is the strongest building matter; cement is what you need to make it, and the reason limestone matters.

The same text the game shows in its progress tree and on the item's sheet (I).

How to get it

In the Furnace: clay (16 voxels) in the ore slot, 16 voxels of limestone or chalk in the reducer slot: 2 cement in 10 s.

What it is for

  • Concrete mixer: 1 cement, 32 voxels of sand, 48 of gravel and 1 m³ of water make 1 m³ of wet concrete.
  • Rocket fairing: 8 cement set its shell parts on the aluminium cone.

Limestone and clay burnt and ground: with sand and water, concrete.

On the progress path

CH5ChemistryMain path

  1. BeforeCH4 · Gas plant
  2. This stepCH5 · Cement
  3. NextCH6 · Concrete mixer

Sub-actions (counted in your progress)

See it on the progress path

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