tattoo needle

tattoo needle with a difference, really good work on the main differences in the material on the same, outside some compare solder interface can clearly distinguish the production process for a tattoo. Good work to do needle neat fork out even more delicate color of the tattoo. The other hand can be seen to do something very obvious scratches pigment granules.

Tongue Ring is another name for piston rings, piston rings are generally made cast iron, a certain flexibility, cross-sectional variety of shapes, surface coating to increase running performance. When the engine is running, the piston will heat expansion, so the piston rings have open space, the installation in order to maintain sealing, piston ring of open space to the staggered position. A piston often have three to four rings, they are in accordance with the role of different gas ring and oil ring is divided into two categories.

Hyaluronic Acid, hyaluronic acid scientific name (Hyaluronic acid, referred to as HA) or said uronic acid, the disaccharide units (grape acid-N-B sulfur glucosamine) polymer composed of straight-chain polysaccharide, is an organization a naturally occurring substance. Widely exist in nature vertebrate connective tissue, mucous tissue, the eye's lens and the film clip of some bacteria, in the dermis of human skin plays an important role in the matrix, whether the overall organizational structure of the maintenance or is transported between cells have a very important function.