Comes with inner liner and chin strap.

Normal safety helmet, often referred to as a **hard hat**, is designed to protect the head from potential injuries caused by falling objects, impacts, electrical hazards, or debris in workplaces. These helmets are commonly used in industries such as construction, manufacturing, and mining, where there is a higher risk of head injury from falling objects or collisions.

Key Features of a Normal Safety Helmet:
1. **Outer Shell**: 
   - Made of strong materials like **polycarbonate**, **ABS (Acrylonitrile Butadiene Styrene)**, or **fiberglass** to provide impact resistance and protect the head from external impacts, like falling objects.
   - Some helmets also have **electrical insulation properties**, specifically designed to protect against electrical hazards in industries like construction and utilities.

2. **Suspension System**:
   - The helmet is equipped with an **inner suspension system** that consists of a padded or webbed harness inside. This system absorbs shocks and distributes the impact energy away from the head, helping to prevent injury during an impact.
   - The suspension system also provides comfort and ensures the helmet sits securely on the head.

3. **Chin Strap**:
   - A **chin strap** or retention system is used to secure the helmet in place, preventing it from falling off if the wearer moves their head suddenly.

4. **Ventilation**:
   - Many safety helmets have **ventilation holes** or slits to allow airflow, keeping the wearer cool during prolonged use, particularly in hot or humid work environments.

5. **Adjustable Fit**:
   - Helmets are equipped with **adjustable suspension** systems (such as a dial or ratchet system) to ensure a snug and comfortable fit on different head sizes.

6. **Color Coding**:
   - Safety helmets are often color-coded to indicate different roles on a construction site or in industrial settings. For example, white helmets are often worn by supervisors, yellow for general workers, and red for safety officers.

7. **Additional Features**:
   - Some models have **face shields**, **ear protection**, or **headlamp mounts** for added functionality depending on the work environment.

Safety Standards and Certifications:
Normal safety helmets must meet specific **safety standards** to ensure their effectiveness. Some of the commonly recognized safety certifications include:
- **ANSI/ISEA Z89.1** (USA): The standard for industrial head protection.
- **EN 397** (Europe): European standard for industrial safety helmets.
- **CSA Z94.1** (Canada): Canadian standard for industrial helmets.

These certifications ensure that the helmet provides adequate protection from impacts, penetration, and certain electrical hazards.

Applications:
Normal safety helmets are used in various high-risk industries, such as:
- **Construction**: Protecting workers from falling debris, equipment, and tools.
- **Mining**: Shielding from falling rocks or materials.
- **Manufacturing**: Protecting against overhead machinery or flying objects.
- **Utilities and Electrical Work**: Providing protection from electrical shock and impact.

In short, a normal safety helmet is an essential piece of personal protective equipment (PPE) in industries where head injury risks are prevalent, and it plays a crucial role in worker safety.