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).
How To Use Essential Oils For Colds and Flu Relief. As you will discover in the suggested remedies and blends included with each essential oil description, you will see that we suggest several methods of using essential oils for colds and the flu. Some methods for cold and flu prevention and relief are: Aromatherapy; Bath Blends; Massage Blends; Diffusers