Figure 2. Therefore, for comfortable viewing of images on a computer screen it is probably reasonable to place the monitor at about 15 degrees (or slightly lower) below the horizontal line. Such a location creates a preferable visual zone of 30 degrees (+ 15 degrees to -15 degrees from the normal line of sight).hen placed in the wrong position it can force the operator to work in a variety of awkward positions. Working with one's chin tilted upwards, and the head and upper body bent forwards or sideways is common wherever the monitor is improperly situated.
Chromium is a mineral that helps to maintain normal blood glucose levels by enhancing the effects of insulin. Your body also needs chromium for healthy carbohydrate, protein and fat metabolism. Rich sources of chromium include processed meats, broccoli, green beans, mushrooms and whole-grain products, particularly bran cereals. Refined grains have been shown to have less chromium content than whole grains.
CHROMIUM Overview Information. Chromium is a mineral. It is called an essential trace element because very small amounts of chromium are necessary for human health. There are two forms of chromium: trivalent chromium and hexavalent chromium. The first is found in foods and supplements and is safe for humans. The second is a known toxin that can cause skin problems and lung cancer.