Mittal Steel swipe sampling
A grill on Arlene Green's porch is covered in soot and metal flakes that glisten in the sunlight.
The clean patch is where a swipe sample has been taken.
Mittal Steel swipe sampling |
| A grill on Arlene Green's porch is covered in soot and metal flakes that glisten in the sunlight. The clean patch is where a swipe sample has been taken. |