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.
Use approximately six drops of essential oil for a bath, and if your skin is sensitive, blend it with a spoonful of base oil, such as sweet almond. Use 4-6 drops of oil in a steam inhalation. All these essential oils are suitable for most adults (although not for pregnant women) as natural cold remedies.