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.
1 Grapefruit oil can be used in a blended massage oil, or may be diluted in the bath to assist with cellulite, colds and flu, lack of energy, jet lag, muscle fatigue, overweight, headaches, moodiness and mental and physical tiredness. 2  Lotions, creams and washes.