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.
Protect Your Home and Hands. To help ward off seasonal illnesses, use a diffuser with essential oils blends known for their antimicrobial properties, such as eucalyptus and myrrh or tea tree oil and lavender.
Below are several ways to use aromatherapy to remedy the common cold: 1  Add boiled water to a bowl and add a few drops of eucalyptus. 2  Place a towel over the head to create a steam tent, close the eyes to avoid eye irritation and slowly inhale in the aroma for 5 to 10 minutes. 3  Repeat 2-3 times a day until symptoms abate.