How to deal with gold and silver coins
When gold and silver coins are sippy: hold the teeth of the coins, put them in clean, pure water, soak for about half an hour, then rush for 1 minute in tap water and place them on the new high-grade soft web. Gently cover the washed coins with the same roll of soft web, and gently press the soft web on the coins with the thickest part of the palm. Constantly change to a dry place, treat the water marks and watermarks on the coins several times, and then use the earballs to blow for a while, and confirm that they are dry before they can be put into the coin plastic box. When there is dust on the surface of the coin: Only use the ear wash ball to blow the dust away. Do not blow it with your mouth. Blow it with your mouth and blow the saliva to the mirror surface of the coin, causing pollution. Can not be wiped with a cotton swab, can not be wiped with a cotton ball, a rub will leave a scratch on the mirror surface of the coin. When you watch the coins, you can only take the edges of the coins. If you accidentally press the fingerprints, you should deal with them immediately. The sooner and faster the handling, the smaller the damage caused to the coins. Do not rub with your hands or cotton wool. Put the coin with the hand fingerprint in the diluted hand sanitizer for a few minutes, then clean it by treating the saliva. There is a slight red dot on the surface of the gold coin. When the red color does not turn black, you can use a special lighter to burn it. When burning, you should first see if there are any stains on the surface of the coin. If there are stains, clean the stain first and then burn it. Otherwise, the stains burned into carbides and are difficult to handle. When burning, the flame should be concentrated and shaken at the red dot. Once the red dot is gone, immediately turn off the lighter. When the coin is cold, put the coin into the plastic box. Otherwise, the hot coins will melt the plastic box, and it will be difficult to deal with the coins. The surface of the coin is stained with stains that cannot be washed with hand sanitizer. It can only be disposed of separately. The gold coins are cleaned with imported gold water. The gold wash water is a dilution of several acids. Dip the gold coins in the solution for a few seconds, put them in the tap water for 3 minutes, and then use the watermark to remove the water. The gold spot erythema turns black, and it must be washed first in the gold wash water, dried and then burned with erythema. Some gold coins have been put in a harsh environment for a long time. There are gray materials on the surface, which can also be washed with gold water. Silver coins are cleaned with imported silverwashed water. Soak the silver coins in the solution for a few seconds and put them in the tap water for 3 minutes (wash as much as possible, otherwise the silver coins will turn yellow) and then drain the water by draining. Platinum and palladium coins are stained and cannot be washed with gold and silver. Otherwise, the platinum and palladium coins will be covered with a layer of gray, which will make the coins tarnish. It can only be washed with diluted hand sanitizer, then rinsed by washing water and blotted. The following circumstances should not be dealt with by individuals: the fall of the coin causes the edge of the coin to be bruised; the surface of the coin is fingerprinted, and it has not been cleaned for a long time, forming a corrosion mark of the coin; when viewing the naked coin, the surface of the coin is accidentally scratched by a hard object. Because the soft plastic bag for transportation is not removed during storage, the surface of the silver coin has a gray mist; the silver coin has more white spots; due to improper storage, the surface of the coin has been eroded; due to improper storage, the surface of the copper coin has been oxidized. It is black and has lost its original light. Embroidery is a general term for various decorative patterns embroidered on fabrics by needle and thread. Embroidery is divided into silk embroidery and feather embroidery. It is a kind of decorative fabric that uses a needle to puncture silk thread or other fibers and yarns with certain patterns and colors on the embroidered materials, and then forms the decorative pattern with the embroidery trace. It is the art of adding human design and production to any fabric that exists with needles and threads. Embroidery is one of the traditional Chinese folk crafts, which has a history of at least two or three thousand years in China. Chinese embroidery mainly includes Suzhou embroidery, Hunan embroidery, Shu embroidery and Guangdong embroidery. Embroidery techniques include: wrong needle embroidery, random needle embroidery, net embroidery, all over embroidery, lock silk, nasi, Najin, Pingjin, Yingjin, Panjin, fluting, scraping, poking, sprinkling, cross stitch, etc. the main uses of embroidery include life and art decoration, such as clothing, bedding, tablecloth, stage, art decoration. 3D Embroidery Foam,Special Embroidery Patches,Rhinestone Embroidery Patch,Sliver Patches Embroidered Shenzhen Longxiang embroidery products Co., Ltd , https://www.lxembroidery.com