Avocados are high in fat. But it's monounsaturated fat, which is a good fat that helps lower bad cholesterol, as long as you eat them in moderation. Avocados have a lot of calories. The recommended serving size is smaller than youâd expect: 1/5 of a medium avocado (or 1 ounce) is 50 calories.
Why do transformers hum? Transformer noise is caused by a phenomenon which causes a piece of magnetic sheet steel to extend itself when magnetized. When the magnetization is taken away, it goes back to its original condition. This phenomenon is scientifically referred to as magnetostriction.
An often overlooked part of an engine is the harmonic balancer. Failure in the harmonic balancer can be as simple as a squeaking noise or as catastrophic as an engine failure. Proper service procedures and learning to spot symptoms helps prevent most problems the harmonic balancer may cause.