Most people can easily confuse crystal with ordinary glass when buying crystal. How do you distinguish between crystal and ordinary glass? Here are a few tips:
1. Clinically, patients with mild flat feet and no obvious symptoms generally do not need treatment. However, patients with moderate flat feet and above will often have uncomfortable conditions, which should be treated at this time.
2, moderate flat foot in the treatment of this condition, between conservative treatment and surgical treatment, in this case the patient can be treated through orthotic instruments, but also through the surgical method to reshape the new arch of the foot, treatment must choose a normal hospital.
3. Even if the patients with flat feet have received the remodeling of the foot arch, they should pay more attention in their daily life in the future. They should not stand or walk for a long time, which will increase the pressure on the patients' feet and may aggravate their flat feet.
For patients with flat feet, regular maintenance is also very important, patients can often soak their feet with hot water, often on their own foot foot massage, or wear some special corrective insoles.
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1. Listening: With the middle finger, the sound of ordinary glassware is a more boring "click" sound, while the sound of a crystal ware is more brittle. It is a "dangdong" sound with metallic sound, and the crystal is higher in hardness. The louder it is. 2. Gloss: Compared with sunlight, the colorful light reflected by high-quality crystal is bright in color, and the transition light is very natural and abundant. The color of glass refraction is often incomplete, and it is relatively dim. Its transparency is compared under natural light. High-quality crystals have high transparency and show crystal white, while ordinary glass or impure crystals can be yellow or mixed with cyan.
3. Pattern: For the same color of crystal, the higher the degree of manual exquisiteness of the pattern, the more elaborate and complicated the patterning on a small area, the higher the value. Touching the hand, the surface of the hand-patterned pattern has a rough feel of the handle, and the surface of the mechanical pattern is smooth.
4. Use: As the crystal hardness is much higher than that of ordinary glass, it will not become dirty after long-term use. However, if the glass is repeatedly used for a long time, it is easy to have scratches and surface contamination. After you have made it clear, all you have to do is check carefully whether the product is in good condition, whether the appearance is flawed or not, and whether the surface is smooth and delicate.
The maintenance of the crystal is extremely simple, as long as it is cleaned with clean water or wiped with a semi-moist cloth after use, while for those small crystal ornaments, you only need to brag it without having to wipe it to prevent it. Crystal surface fluffy. In addition, because the hardness of the crystal is relatively high, the toughness is small, and it is easily broken due to heavy impact. Therefore, it is necessary to avoid bumping when using it in peacetime. Should also pay attention to avoid the use of alkaline, acidic and alcohol-based detergents to avoid corrosion, such as ashtrays and other containers should also minimize the heating time, so as to avoid damage to oxidation.