| Heavy Duty: |
 |
Can be used underfoot and used
up to 40cm from welding arc or cutting torch |
| Medium Duty:
|
 |
Can be used underfoot and used
up to 80cm from welding arc or cutting torch |
| Light Duty:
|
 |
Suitable for vertical
screening |
| Star Rating:
|
|
* * * * *
Excellent
* Poor |