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.
Use tea tree oil to sooth cold sores. Combine one to two drops of tea tree oil with one teaspoon of olive oil. Use a Q-tip or cotton ball to apply the mixture onto the sore. Repeat this several times a day.