This is any kind of lubricant such as oil or typically other petroleum products.
In your car, you have oil changed regularly to ensure the friction of your engine is minimized and your engine operates efficiently.
A substance that tends to reduce the surface tension of a liquid in which it is dissolved.
A very smooth surface or a smooth surface coated with a liquid, oil or a Teflon like substance.
A surfactant is a substance that, when mixed with a liquid, reduces its surface tension. There are usually two or more surfactants in a bar of soap.
Generally, lubrication means the addition of a substance that reduces friction between two parts. Metal pieces use WD40. Cars can use 30 or 40 weight oil. Same with lawnmowers, small appliances, furnace blowers, etc. For sexual areas, lubrication is a liquid, such as K-Y Jelly, that makes the erect penis more slippery and decreases friction. It allows for easier penetration into the vagina and adds more of the "wet" feel. NOTE: Never use petroleum oils made for metals on any part of the human body!
Whatever liquid on the floor acts as a lubricant and reduces the friction between the floor surface and feet, and butt if one is clumsy.
A liquid is a substance or a mixture of substances in solution.
The pleurae, which are membranes with a thin layer of liquid between. The inner pleura covers the lungs and the outer pleura is attached to the chest wall itself.
When a substance changes from a liquid to a gas energy is absorbed. When a substance changes from a gas to a liquid energy is released.
yes water is liquid it is known as the universal solvent
ya mom
Yes, all of them.
The amount of a substance that a liquid holds will be the solubility of that substance in that volume of the liquid - at that temperature.