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.
Tea tree oil is said to be helpful in alleviating chest and head congestion, stuffy nose, and other symptoms of colds and flu. In aromatherapy, tea tree oil is said to be helpful in alleviating chest and head congestion, stuffy nose, and other symptoms of colds and flu, especially when used in steam inhalation.