
| PPE Type | ||
| AR modality | Class A Hat | Comment |
| Voice | Yes | Voice control is a good modality option with a Class A Hard Hat, but may be limited in its effectiveness if used with PPE ear protection equipment |
| Gesture | Yes | Gesture control is a good modality option with a Class A Hard Hat but may be limited in its effectiveness if used with PPE hand protection equipment |
| Touchpad | ? | Touchpad control MAY work with a Class A Hard Hat but the touch pad needs to be accessible |
| Controllers | Yes | Gesture control is a good modality option with a Class A Hard Hat but may be limited in its effectiveness if used with PPE hand protection equipment |
| Gaze | Yes | Gesture control is a good modality option with a Class A Hard Hat but may be limited in its effectiveness if used with PPE eye protection equipment |

| PPE Type | ||
| AR modality | Class B Hat | Comment |
| Voice | Yes | Voice control is a good modality option with a Class B Hard Hat, but may be limited in its effectiveness if used with PPE ear protection equipment |
| Gesture | Yes | Gesture control is a good modality option with a Class B Hard Hat but may be limited in its effectiveness if used with PPE hand protection equipment |
| Touchpad | ? | Touchpad control MAY work with a Class B Hard Hat but the touch pad needs to be accessible |
| Controllers | Yes | Gesture control is a good modality option with a Class B Hard Hat but may be limited in its effectiveness if used with PPE hand protection equipment |
| Gaze | Yes | Gesture control is a good modality option with a Class B Hard Hat but may be limited in its effectiveness if used with PPE eye protection equipment |

| PPE Type | ||
| AR modality | Class C hat | Comment |
| Voice | Yes | Voice control is a good modality option with a Class C Hard Hat, but may be limited in its effectiveness if used with PPE ear protection equipment |
| Gesture | Yes | Gesture control is a good modality option with a Class C Hard Hat but may be limited in its effectiveness if used with PPE hand protection equipment |
| Touchpad | ? | Touchpad control MAY work with a Class C Hard Hat but the touch pad needs to be accessible |
| Controllers | Yes | Gesture control is a good modality option with a Class C Hard Hat but may be limited in its effectiveness if used with PPE hand protection equipment |
| Gaze | Yes | Gesture control is a good modality option with a Class C Hard Hat but may be limited in its effectiveness if used with PPE eye protection equipment |

| PPE Type | ||
| AR modality | Bump Cap | Comment |
| Voice | Yes | Voice control is a good modality option with a Bump Cap but may be limited in its effectiveness if used with PPE ear protection equipment |
| Gesture | Yes | Gesture control is a good modality option with a Bump Cap but may be limited in its effectiveness if used with PPE hand protection equipment |
| Touchpad | ? | Touchpad control MAY work with a Bump Cap but the touch pad needs to be accessible |
| Controllers | Yes | Gesture control is a good modality option with a Bump Cap but may be limited in its effectiveness if used with PPE hand protection equipment |
| Gaze | Yes | Gesture control is a good modality option with a Bump Cap but may be limited in its effectiveness if used with PPE eye protection equipment |