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.
Heat deactivates garlicâs antimicrobial ingredients. For that reason, itâs best to consume it raw or as a tablet that promises a certain amount of allicin (a key active chemical). Black elderberry (Sambucas nigra) and licorice (Glycyrrhiza glabra) are two other herbs to keep handy during the cold and flu season.