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).
citronella essential oil to help combat cold and flu diffuse into the air equal parts of citronella and cinnamon leaf add to your favorite carrier oil to help with perspiration add 1 drop of citronella and 2 drops of tea tree to 1 tablespoon of coconut oil to use on fungal skin infections