  The earth's mantle is not made of metal but is a mixture of many somewhat molten rocks, most as oxides, meaning the mantle may be more oxygen than metal. The metals it â¦ has the most of are magnesium, iron, and aluminum. There's also lots of silicon, which is not really a metal. 6 people found this useful.
We are the leading aftermarket supplier of used cosmetic lasers and used aesthetic laser systems. The Cosmetic Laser Warehouse stocks a large selection of pre-owned cosmetic laser equipment and cosmetic laser handpieces. We are not medical laser brokers. Most websites on the internet are broker operated.
There are two main types of ultrasound therapy: thermal and mechanical. Both use sound waves generated through a transducer head (which looks a bit like a microphone) to penetrate soft tissues. The difference between the two types of ultrasound therapy is the rate at which the sound waves penetrate the tissues.