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.
Most tea tree oil made to treat fleas might contain other natural oils like cinnamon or nutmeg, contributing to a more offensive aroma. Many natural pet products that contain this oil often have a spray nozzle attached, designed for spraying the oil mixture around the house and on the fur.