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).
Eucalyptus, Eucalyptus smithii, 20 drops. Lavender, L. angustifolia, 28 drops. Mix these three essential oils together and use as aromatherapy. Because of its ability to relax nerves, lavender has been used to calm coughs and ease breathing in colds and influenza. Itâs used in inhalers and vaporizers, or simply dotted on the neck or chest.