In this guide, you will come to know how to make the concrete mix in Icarus.
You will need to have a machine bench and find it in tier 3 of the tech tree, as shown in the image below.
You have to make the cement mixer. You can craft the cement mixer using woods, stones, some iron ingots and rope, and a few iron nails.
You will need to add silica, stones, and tree stop, located in Motor and Pestle, as shown in the image below.
You can find Motor and Pestles in tier 2 in the tech tree; silica is an ore you can mine from the ridge of the map mostly outside the caves.
When you get these materials, you have to go back to the cement mixer, put all the materials together, and start the mixing process of the machine, as shown in the image below.