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Materials used for production have grown from traditional gold and silver to widespread use of surgical steel as well as titanium, niobium, glass, and several kinds of plastics (PTFE, Tygon, bioplast, nylon). Wood, horn, amber, stone, bamboo, silicone, fossilized ivories, tusks, bones, and porcelain can also be used to craft body piercing jewelry.
This abbreviation is incompatible with FTC guidelines, which require clear labeling of the gold content and fineness (e.g., 1/20 14K GF). [3] Most high quality gold-filled pieces have the same appearance as high carat gold, and gold-filled items, even with daily wear, can last 10 to 30 years though the layer of gold will eventually wear off ...
The bead or ball itself may additionally be made from coloured glass, acrylic or ceramic, or a gemstone. This is a popular piece of body jewelry because it conveniently allows the wearer to remove the ring by simply removing the captive bead; the bead is held firmly in place so that it will not easily fall out. Additionally, because of their ...
Injection moulding uses a special-purpose machine that has three parts: the injection unit, the mould and the clamp. Parts to be injection-moulded must be very carefully designed to facilitate the moulding process; the material used for the part, the desired shape and features of the part, the material of the mould, and the properties of the ...
The world's first huggy was designed and patented by TummyToys belly rings. [21] [22] Vogue published an article in 2015 about the circular captive bead belly rings and TummyToys snap lock clasps becoming the latest trend for navel piercings. [23] Most kinds of ring or bar jewelry can be worn in a navel piercing.
A belly chain or waist chain is the popular English term for the Indian jewelry [1] called kamarband. The belly chain is a type of body jewelry worn around the waist. [2] Some belly chains attach to a navel piercing; these are also called "pierced belly chains". They are often made of silver or gold. Sometimes a thread is used around the waist ...
Lacquerware is a longstanding tradition in Japan [6] [7] and, at some point, kintsugi may have been combined with maki-e as a replacement for other ceramic repair techniques. . While the process is associated with Japanese craftsmen, the technique was also applied to ceramic pieces of other origins including China, Vietnam, and Kor
An all-electric injection unit with 14 mm screw to inject the polymer melt into the mold; Arburg developed a micro injection molding machine with an 8 mm injection to ensure high degree of dosing precision. This type of machine is combined with a second screw, which is responsible for melting and homogenous mixing of the material. [2]