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.
Skin eruptions can result from a deficiency of vitamin B-1. According to the Acu-Cell Nutrition website, lack of vitamin B-3 and B-4 can cause pellagra and dermatitis, whereas an overdose can cause a skin rash. Improper levels of biotin in the body can contribute to skin disorders and seborrheic dermatitis in infants.