[{"n": "Abrasive", "u": "/e/construction-and-materials/abrasive/", "s": "Materials that shape workpieces through controlled friction and wear."}, {"n": "Adhesive", "u": "/e/construction-and-materials/adhesive/", "s": "A non-metallic substance that binds surfaces together, with a history spanning over 200,000 years."}, {"n": "Arch", "u": "/e/construction-and-materials/arch/", "s": "A curved structure spanning an opening, often load-bearing."}, {"n": "Architectural engineering", "u": "/e/construction-and-materials/architectural-engineering/", "s": "Engineering discipline focused on building systems and sustainability."}, {"n": "Bearing (mechanical)", "u": "/e/construction-and-materials/bearing-mechanical/", "s": "Machine element that reduces friction and constrains motion."}, {"n": "Brush", "u": "/e/construction-and-materials/brush/", "s": "A versatile tool with bristles for cleaning, painting, and grooming."}, {"n": "Canvas", "u": "/e/construction-and-materials/canvas/", "s": "Durable plain-woven fabric used for painting, sails, and more."}, {"n": "Ceiling", "u": "/e/construction-and-materials/ceiling/", "s": "Overhead interior surface covering the upper limits of a room."}, {"n": "Cement", "u": "/e/construction-and-materials/cement/", "s": "Binder that sets, hardens, and binds other materials together."}, {"n": "Ceramic", "u": "/e/construction-and-materials/ceramic/", "s": "Hard, brittle, heat-resistant materials made from fired inorganic substances."}, {"n": "Chimney", "u": "/e/construction-and-materials/chimney/", "s": "Ventilation structure for exhaust gases and smoke."}, {"n": "Chisel", "u": "/e/construction-and-materials/chisel/", "s": "A wedge-shaped tool for carving or cutting hard materials."}, {"n": "Clamp (tool)", "u": "/e/construction-and-materials/clamp-tool/", "s": "A fastening device applying inward pressure to hold objects securely."}, {"n": "Column", "u": "/e/construction-and-materials/column/", "s": "The structural and decorative backbone of architecture through the ages."}, {"n": "Composite material", "u": "/e/construction-and-materials/composite-material/", "s": "Composite materials merge dissimilar constituents for enhanced properties."}, {"n": "Concrete", "u": "/e/construction-and-materials/concrete/", "s": "Second-most-used substance after water; most-manufactured material worldwide."}, {"n": "Defensive wall", "u": "/e/construction-and-materials/defensive-wall/", "s": "Fortifications enclosing settlements from ancient to modern times."}]