Arkesden, Essex . Man mowing the lawn wearing a gas mask as a precaution against Saharan Dust pollution Stock Photo - Alamy

Lawn mower safety hi-res stock photography and images - Alamy

Lawn mower safety hi-res stock photography and images - Alamy

A man wearing a mask as a precaution against swine flu carry informative pamphlets about the influenza in Mexico City Stock Photo - Alamy

Man mowing a lawn hi-res stock photography and images - Page 2 - Alamy

Mask against gas hi-res stock photography and images - Alamy

Man wearing respirator gas mask hi-res stock photography and images - Alamy

Mask against gas hi-res stock photography and images - Alamy

Arkesden, Essex . Man mowing the lawn wearing a gas mask as a precaution against Saharan Dust pollution Stock Photo - Alamy

Gas mask pollution hi-res stock photography and images - Page 26 - Alamy

Man mowing a lawn hi-res stock photography and images - Page 2 - Alamy