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).
1 Oregano has anti-inflammatory, anti-microbial, and anti-fungal effects, and may kill MRSA, listeria, and other pathogens. 2  Oregano essential oil may be useful for respiratory ailments like colds and flu.  Adding oregano to meat before cooking may help reduce the amount of toxic compounds created by the cooking process.