FABRICATION OF EDGES, JOINTS, SEAMS, AND NOTCHES. There are numerous types of edges, joints, seams, and notches used to join sheet-metal work. We will discuss those that are most often used.
Essential Oils for Flea Treatment. Commonly recommended essential oils for flea treatment in cats are cedar, eucalyptus and lavender. These are all well-known flea repellents that have been deemed safe when used properly. Lavender is the most common and has been shown in university studies to repel fleas.
Lavender essential oil doesn't kill fleas, but is comforting to a dog's skin. A few drops added to his shampoo bottle will ease his itching and restlessness considerably. You can also add a few drops of lavender oil to a spray bottle of water.