As a Steelworker you are required to operate sheet-metal tools and to apply basic sheet-metal layout techniques. In many Naval Construction Force (NCF) projects, sheet metal is used to protect the exterior of buildings by using flashing, gutters, and at times, complete sheet-metal roofing systems.
Protect Your Home and Hands. To help ward off seasonal illnesses, use a diffuser with essential oils blends known for their antimicrobial properties, such as eucalyptus and myrrh or tea tree oil and lavender.
Two of the best essential oils to eliminate infection are lavender and eucalyptus. In fact, studies prove that a two-percent dilution of eucalyptus oil kills 70 percent of airborne staphylococcus bacteria. Anise, peppermint, and eucalyptus reduce coughing, perhaps by suppressing the brain's cough reflex.