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.
You can use any of the following essential oils by themselves or in a combination in a diffuser to help with headaches or congestion: eucalyptus, ravensara, thyme, rosemary, peppermint, frankincense, or manuka. For more intense therapy, steam inhalation may both help you to decongest and help you fight an infection.
The pros of essential oil use: 1  Essential oils have been found to be effective in treating ailments such as mild anxiety and work well as early intervention for the common cold. 2  The oils are very helpful in treating minor medical conditions (such as acne) by helping a patient to avoid more invasive care.