The insulating material on electrical wire often contains fire retardants to help prevent the spread of flames in case of a short circuit. elaborate
The grit number on sandpaper indicates the number of abrasive particles per square inch – a higher grit number means finer particles and a smoother finish. elaborate
The adhesive used on postage stamps is often a water-activated pressure-sensitive adhesive, meaning it needs moisture to activate its sticky properties. elaborate
Concrete is stronger in compression than in tension. This is why rebar (steel reinforcement) is used in reinforced concrete structures. elaborate
Smart textiles can be embedded with sensors to monitor vital signs, allowing for real-time health tracking in clothing. elaborate
Flexible plumbing pipes, like PEX, are often preferred over rigid pipes because they're less likely to break during earthquakes. elaborate