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.
Fever, fatigue and muscle aches are more likely and more severe with flu. Symptoms of a cold include: 1  runny nose â beginning with clear mucus that develops into thicker, green mucus as the cold progresses. 2  blocked nose. 3  sore throat. 4  sneezing. 5  cough.