Through the blood system
Through skin contact
Drinking while working with art materials
Not washing hands after using art materials
Making art when not wearing shoes
Eating while working with art materials
Cuts in the skin
Being absorbed through the skin
The chemicals used by the artist
The artist's lack of awareness of the nature of their materials
Artists refusing to follow safety protocols
Poor labelling of materials
Provide good ventilation.
Keep surfaces uncluttered.
Vacuum, rather than sweep, dusty workplaces.
Air condition the premises
Organize the work area.