11.   Dust masks block airborne particles by capturing them in the filter mesh.

12.   Fiberglass can be irritating to the skin so wear long pants, a long-sleeved shirt, gloves, goggles and a dust mask before handling the batts.

13.   Fiberglass insulation can irritate the skin, so wear long sleeves, gloves and a dust mask when working with it.

14.   For this reason, it is necessary to wear a long- sleeved shirt and pants, gloves, a dust mask and goggles when laying down batts.

15.   He always wears a black ski mask, bandanna or a dust mask over his face, and he carries a bag filled with saws, drills and ropes.

16.   If it is pressure-treated wood, sand carefully, wear a dust mask and collect the dust for safe disposal.

17.   In what used to be the shadow of the World Trade Center, a couple of children played catch, their faces obscured by dust masks.

18.   Many of the volunteers wore paper dust masks.

19.   Read the label carefully, and be sure to wear a dust mask, gloves and long sleeves when using it.

20.   Protect your face and eyes from the falling debris and dust with a dust mask and goggles.