how to test your gear and transmission lubricant

this video just an illustration to test how well your gear and transmission lubricant work. the egg-beaten-roller is the gear on your transmission.
the illustration shows how the lubricant work. The lubricant follows the centrifugal rotation of the egg-beaten roller. It means the lubricant has characteristic of maintenance for sticky-slicky on the metal surface. It helps your engine or any technical work machine work well and protects from corrosive or friction on metal surface. This maintenance will reduce your cost of maintenance. Whilst you can save more money to allocate to your other basic needs or capital for business. Choosing the right lubricant will help you much in enlarging your business.