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.
Other essential oils have anti-microbial actions, protect against colds and are highly effective for respiratory support, whose essences can be inhaled to address ear, nose, throat and lung problems. These include: 1  Frankincense (Boswella carteri). 2  Lavender (Lavandula augustifolia). 3  Lemon (Citrus limonom).
Just adding some of the most common essential oils like lavender, frankincense, lemon, peppermint and tea tree oil to your natural medicine cabinet can: 1  Fight cold and flu symptoms. 2  Relax your body and soothe sore muscles. 3  Heal skin conditions.  Alleviate 1  pain. Balance hormones.  Improve 1  digestion. Reduce cellulite and wrinkles.  Clean your home.