Opal is an opal in mineralogy, a gemstone with a color-changing effect, and an aqueous amorphous silica. The chemical composition is SiO2·nH2O, and the water content is generally 3%-10%. Amorphous body. The interior has a spheroidal structure, and the aggregates are mostly grape-shaped and stalactite-like. The background color is black, milky white, light yellow, orange and so on. Translucent to slightly transparent. Glass luster, pearl luster, protein luster. With a color change effect. The refractive index is 1.37-1.47, no birefringence, and the dispersion is very weak. The hardness is 5.5-6.5 and the density is 2.15-2.23 g/cm3. Sexually brittle, easy to dry, shell-like fracture. Different types of opal emit different colors of fluorescence under long-wave ultraviolet radiation. Opal, the appearance is bright and splendid, and its beautiful and charming color is amazing. It has a flame ruby, emerald and purple bright purple crystal emerald green, ruby set of bright, amethyst and emerald charming luxury in one. In Europe, Opal is a lucky representative. The ancient Romans called it the son of "Cupid". It is a beautiful angel in love and is considered a symbol of hope and purity. According to Pliny, the Norni veteran was rather exiled, and he was not willing to give his opal to Anthony (the ancient Roman leader of 83-30 BC) who longed for this gem. The Orientals regard it as a sacred gem that symbolizes loyalty. Most Americans like red and orange opal. Japanese people generally love blue and green opal. The Chinese people are fond of the festive red tones of warm colors. The international gemstone industry listed Opal as the "October Birthstone", a stone of hope and happiness. Smithsonian College of the United States treasures the world's largest precious opal, weighing 355.19 carats. Idomuk Opal weighed 205 carats. In 1954, the Australian government put it on a necklace and gave it to the Queen of England. The function of the high pressure steam cleaner is to accelerate the movement speed of the dirt surface by the steam generated by the high temperature, and to eliminate the binding force between them to achieve the purpose of eliminating various stubborn stains, and at the same time, attaching various objects to the object. Bacteria, mites, microorganisms and pathogens are completely eliminated. It is equipped with nozzles, brushes and other convenient accessories. It does not require any environmental protection concept of detergent and has high efficiency of rapid decontamination and sterilization.
high pressure steam cleaners are used in a wide range of applications, such as the cleaning of milling machines, the cleaning of CNC machine tools and foundry equipment, and the cleaning of injection molding machines. Mechanical and electrical installations as well as pneumatic, hydraulic and other original components can be cleaned in a short period of time. The cleaning of oil, grease, graphite or other stubborn dirt can be easily solved with dry steam, and it can also be used for high temperature sterilization. In many cases, the device is a complete replacement for expensive dry ice cleaning.
The steam cleaner uses high temperature and high pressure steam to clean the floor, doors and windows and clothes, hood, air conditioner, microwave oven, sanitary ware for surface sterilization, remove dust and bacteria, and be environmentally friendly. It prevents allergies and eliminates stubborn stains and oil stains. No chemical reagents are required, and there is almost zero damage to cleaning items.
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Opal's English name is pal, which is derived from the Latin Opalus, meaning "the beauty of the gemstone ", or from the Sanskrit Upala, meaning "precious gem". The word "Opo" in China is based on English transliteration.