Always begin by checking the power steering fluid level because the steering pump is the heart of the power steering system. If the level is low, we could assume that the system is leaking fluid. Next, itâs important to check the color and viscosity of the fluid. Normal color is red or straw-colored.
In order to understand both how to keep your nails healthy and how they can act as an indicator of health problems, first you have to know that fingernails are made of layers of a protein called keratin. This protein is also found in your skin and hair [source: Mayo Clinic]. But your nails are more than just keratin.
The cuticle plays an important role in the health of your nails. They provide a protective cover for the tissue that grows new cells that build the nails. As you know, your nails are constantly growing -- that's why you have to keep clipping them. They are made of a hard type of protein called keratin, which serves as a protector for your fingertips [source: Mayo Clinic ]. The cuticle protects the new, soft keratin as it emerges onto the nail.