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.
Fleas_Essential Oils that Naturally Repel Fleas & Ticks_Note: I do know that Penny Royal is toxic to dogs but good to deter fleas. So, for instance if you plant it outside a dog kennel make sure it is at a distance from it that your dog does not scratch or eat it.