Original: The removal of higher risk asbestos-containing materials (sprayed asbestos coatings, asbestos insulation, asbestos lagging and most work involving asbestos insulating board (AIB) should only be carried out by a licensed contractor.
Simplified: The removal of higher risk asbestos-containing materials (sprayed asbestos coatings, asbestos insulation, asbestos protection and most work involving asbestos insulating board (AIB) should only be performed  by a licensed professional.
Simplified: The removal of materials with high risk of containing asbestos (sprayed asbestos coatings, asbestos insulation, asbestos lagging and most work involving asbestos insulating board (AIB) should only be carried out by a licensed contractor.
Simplified: The removal of higher risk asbestos-containing materials (sprayed asbestos coatings, asbestos insulation, asbestos lagging and most work involving asbestos insulating board (AIB) should only be carried out by a licensed contractor.