

The primary function of axle hub seals is to retain lubrication. Proper lubrication is essential for the smooth operation of moving parts, reducing friction and wear. Without effective sealing, the lubricant can leak out, leading to inadequate lubrication of the gears and bearings, which may cause premature wear and eventual failure of the components.
Beyond agriculture, iron barbed wire is extensively utilized in security. Prisons and detention facilities often deploy high-tension barbed wire at walls and checkpoints to deter escapes and unauthorized entries. The fear of entanglement in the sharp, pointed edges serves as a powerful psychological barrier against potential intruders. In urban settings, barbed wire is commonly seen topping fences around commercial properties, schools, and libraries, safeguarding these spaces from vandalism and theft. Its presence is a stark reminder of the balance between safety and invasion of privacy, raising discussions about its implications in urban landscape design.