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 following are special concerns for people taking natural remedies for colds or influenza: 1  Echinacea is commonly taken to prevent onset and ease symptoms of colds or flu. 2  High quality studies have failed to show that this herb helps prevent or treat colds. 3  In addition, some people are allergic to echinacea.