| Category | License | Title | Info | Download |
|---|---|---|---|---|
| occupation-welder | CC0 Public Domain | Welding Mask 24969 |  |  |
| occupation-welder | CC BY 3.0 | Welding Mask |  | |
| occupation-welder | CC BY 3.0 | Welding Mask 843990 |  | |
| occupation-welder | CC BY 3.0 | Welding Mask 534248 |  | |
| occupation-welder | CC BY 3.0 | Welding Mask 482658 |  | |
| STEM | CC BY 4.0 | gas mask |  | |
| medical-mask | CC BY 4.0 | gas mask biological hazard |  | |
| medical-mask | CC BY 4.0 | gas mask 1 |  | |
| medical-mask | CC BY 4.0 | gas mask 2 |  | |
| medical-mask | CC BY 4.0 | gas mask 3 |  | |
| medical-mask | CC BY 4.0 | gas mask 4 |  | |
| medical-mask | CC BY 4.0 | gas mask 5 |  | |
| medical-mask | CC BY 4.0 | gas mask 6 |  | |
| medical-mask | CC BY 4.0 | gas mask 7 |  | |
| medical-mask | CC BY 4.0 | gas mask 8 |  | |
| medical-mask | CC BY 4.0 | gas mask 9 |  | |
| medical-mask | CC BY 4.0 | gas mask 10 |  | |
| medical-mask | CC BY 4.0 | gas mask 11 |  | |
| medical-mask | CC BY 4.0 | gas mask 12 |  | |
| medical-mask | CC BY 4.0 | gas mask 13 |  | |
| medical-mask | CC BY 4.0 | gas mask 14 |  | |
| medical-mask | CC BY 4.0 | gas mask 15 |  | |
| medical-mask | CC BY 4.0 | gas mask 16 |  | |
| medical-mask | CC BY 4.0 | gas mask 17 |  | |
| medical-mask | CC BY 4.0 | gas mask 18 |  | |
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