asbestos cement
asbestos fibers
asbestos pollution
backdrop
background
brown
cancer
cement
closeup
construction
contaminated site
danger
dangerous goods
detail
dirty
ecology
enlargement
environment
fiber cement boards
fiber composite
fiber structure
fibers
fibrous
fine dust
fine dust pollution
gray
health hazard
health protection
health risk
lung cancer
material
micro photo
mineral
occupational disease
occupational safety
old
poison
pollution
respirable
risk
roofing
rough
scale
silicate
surface
textured
tiny
toxic
white asbestos