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.
Tea tree essential oil (Melaleuca alternifolia) is one of the most effective anti-viral oils, which makes it one of the best cold and flu remedies in aromatherapy. A warm bath with tea tree oil, taken when the first symptoms appear, can sometimes ward off the cold or at least reduce its length.