with different types of foam systems for structural firefighting and some have deployed front-line. apparatus with class A foam systems as an added tool in their firefighting arsenals. TYPES OF FOAM DELIVERY SYSTEMS. Class A foams consist of a mixture of water, foam concentrate, and air.
Avoid in people with known allergy or sensitivity to products that contain vitamin E. Skin reactions, including inflammation or itching, have been reported with vitamin E applied to the skin.
1 Vitamin E is an antioxidant, and can help decrease inflammation caused by sunburn. Use Vitamin E oil on the skin, or take a regular dose of the supplement. Vitamin E oil also can be rubbed onto peeling skin.  Apply freshly brewed tea after it has cooled to sunburnt skin using a clean cloth.