For a typical steel framed 30 ft by 30 ft office building bay, the fre-quency will be in the 5-8 Hz range. Frequency is a function of span (the longer the span, the lower the frequen-cy) and weight supported (the heavier the floor and the supported contents, the lower the frequency).
Color change and Yellow skin. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms color change and yellow skin including Gallstones, Hepatitis A, and Hepatitis B. There are 20 conditions associated with color change and yellow skin. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. Gallstones.
It can also be due to decreased number of red blood cells (anemia). Paleness of the skin is not the same as loss of pigment from the skin. Paleness is related to blood flow in the skin rather than deposit of melanin in the skin. Paleness can be caused by: 1  Normal fair complexion.