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.
Overview. 1  Using essential oils to repel fleas and ticks helps eliminate the amount of chemicals you and your family are exposed to. 2  A sweet-smelling, all-purpose insect repellent, lavender essential oil performed well in recent studies as both a tick deterrent and a method of preventing tick eggs from hatching.