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hydraulic ram
A tread-wheel crane was a wooden lifting device that was used in ancient Rome. The device had a large wooden wheel which was powered by workers when they used the pedals.
A tread-wheel crane was a wooden lifting device that was used in ancient Rome. The device had a large wooden wheel which was powered by workers when they used the pedals.
A tread-wheel crane was a wooden lifting device that was used in Ancient Rome. The device had a large wooden wheel which was powered by workers when they used the pedals.
Biomaterials are a material used in medical device. =D
Nichrome
A percolator is a kind of device for brewing coffee. They are not as popular as they used to be.
A device that can generate heat. Melted material and the welding operation is performed.
HEU (Highly Enriched Uranium)
Sterile packing material is the most commonly used medical device to promote healing from inside an incision.
A shaduf is a hand operated device used for lifting water out of a well or reservoir. It was invented by the Ancient Egyptians and is still used today, in Egypt, India and other countries.
A lifting magnet is an electromagnet that is meant to hold or move material that comes in contact with the magnet. This is the opposite of a traction magnet.