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.
Here are the natural Brazilian oils and ingredients found in Flea & Tick Defense spray... 1  Lemongrass oil â When formulated into a spray for pets, promotes a shiny, healthy coat, and helps repel fleas, ticks, and mosquitoes. 2  Cinnamon oil â A versatile essential oil widely used in the household.