How Everything Is Made on Instagram: "In the 1930s, a few pioneering builders experimented with houses constructed by machines that poured concrete in continuous, layered forms — functioning almost like an early precursor to modern 3D printing. Instead of stacking bricks or erecting wooden frames, these systems used slip-form or contour-crafting–style rigs that traveled along rails, shaping walls directly on-site as they deposited wet concrete. This technique made it possible to create flowing c

990K views · 1.7K reactions | Why choose a combined system on such a slope? The only suitable option should be a concrete retaining wall. Does the block at the back serve as cavity support or something else? It doesn’t make sense.‍♂️ #highlightseveryone #viralreelsfacebook #viralreelsシ #viralvideochallenge #reelschallenge #highlight #followersreels #fightcoronavirus #follower #WhatsApp #worldwide #wordoftheday #musthave | Ilechukwu Tochukwu Demian | Facebook