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. Some botanical oils are suitable for direct skin contact, while others work best sprayed on clothing or under rugs and cushions.