Serum sodium. Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elastic band around the upper arm to apply pressure to the area and make the vein swell with blood.
Traction, or tractive force, is the force used to generate motion between a body and a tangential surface, through the use of dry friction, though the use of shear force of the surface is also commonly used.here seems to be some confusion in this statement about tracked vehicles and traction. A tank or similar tracked vehicle uses tracks to reduce the pressure on the areas of contact. A 70-ton M1A2 would sink to the point of high centering if it used round tires.
What is power steering fluid all about? Power steering fluid flows through the power steering hydraulic system. The system is pressurised by the power steering pump and by way of valves, plungers, or pistons decreases the effort needed by the driver to turn the steering wheel.