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.
Rose recommends lemongrass essential oil as a natural flea and tick repellent. The oil comes from the tropical lemongrass plant Cymbopogon citrates. A related species, citronella grass, may also repel fleas, according to Ohio State University.