1. Hard Hat: A protective headgear designed to shield the head from external impacts. It typically includes a shell, a suspension system, adjustable straps, and a rear support bar.
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2. Helmet Components: The parts of a helmet include the cap, brim, top ribs, ventilation openings, attachment points, lining strap holes, and side panels.
3. Visor: The front section of the helmet's shell that provides facial protection and often offers additional visibility or UV protection.
4. Brim: The edge of the helmet's shell that extends beyond the main structure, offering extra coverage for the face and eyes.
5. Top Bar: A reinforced section at the top of the helmet to enhance structural integrity and stability.
6. Ventilation Holes: Small openings on the helmet shell that allow airflow, improving comfort during extended use.
7. Socket: A connecting component used to attach the shell to the inner liner and other accessories.
8. Connection Hole: A hole in the shell that allows for the attachment of the inner liner and other internal components.
9. Liner: The internal structure of the helmet, which includes the headband, forehead guard, support straps, sweat-absorbent pads, and tethering system.
10. Headband: A band that wraps around the head, providing a secure and comfortable fit.
11. Forehead Strap: The part of the liner that directly contacts the forehead, offering cushioning and support.
12. Additional Padding: An extra layer of padding above the headband to improve comfort and reduce pressure points.
13. Tether (Strap): A flexible strap that connects the headband to the helmet shell, helping to maintain proper alignment and stability.
14. Sweat-Absorbent Pad: A soft material wrapped around the headband to absorb moisture and keep the user comfortable.
15. Cushion Pads: Soft pads placed between the headband and the helmet shell to provide additional comfort and reduce impact.
16. Rear Hoop: An adjustable band added to the back of the helmet for better fit and stability.
17. Liner Connector: A mechanism that links the inner liner to the outer shell, ensuring a secure and stable connection.
18. Frequency Band: A part located near the lower collar, often used for communication or safety purposes.
19. Locking Clip: A device used to adjust the length of the side straps, ensuring a snug and personalized fit.
20. Plug-In Connector: A type of connection that allows the shell and liner to be easily attached and detached.
21. Tethered Bolting: A method where the shell and liner are connected using a tethered rope, providing both flexibility and strength.
22. Riveted Construction: A technique where the shell and liner are fastened together using rivets for maximum durability and security.
