If you've always wondered how alloy wheels were made, then check out this interesting tour of the Ray's Engineering factory in Japan. Video after the jump. Aluminium alloys or aluminum alloys are alloys of aluminium, often with copper, zinc, manganese, silicon, or magnesium.
Urea is transported to the kidneys for excretion. A normal range for blood urea nitrogen is generally 8 to 24 mg/dl for adult males and 6 to 21 mg/dl for females. Generally, a high blood urea nitrogen level means that the kidneys are not performing well, particularly if the result is above 50mg/dl.
Normal serum levels for men range from 76 to 198 micrograms of iron per deciliter. Normal levels for women are a little lower and range from 26 to 170 micrograms of iron per deciliter. Blood tests used to examine iron levels are usually taken in the morning because thatâs when levels tend to be highest.