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 oil is said to be helpful in alleviating chest and head congestion, stuffy nose, and other symptoms of colds and flu. In aromatherapy, tea tree oil is said to be helpful in alleviating chest and head congestion, stuffy nose, and other symptoms of colds and flu, especially when used in steam inhalation.