According to Yu Lin, an attending physician at the Department of Keratitis at Fuzhou Southeast Eye Hospital, the eye drops should be placed in a cool, dry and ventilated place, avoid direct sun exposure, and the specific refrigerated drugs should be stored by the doctor. Yu Lin reminded: “Before eye drops, wash hands first to avoid infection caused by finger contact. The eye drops should be a centimeter away from the eye and cannot be in direct contact with the eyelashes to prevent bacteria on the eyelashes from flowing back to the eye drops. Eyes. Children should have eye drops from their parents."
When using eye drops, the head should try to recline or lie down, and pull down the lower eyelids with the index finger, then point the eye drops to the eyes and point it in the conjunctival sac within the eyelids; drop one to two drops of the eye drops. Yes, eye ointment is about a centimeter long.
　　
Laser jet printer
Laser jet printer uses software to deflect laser beam and directly burns the surface of the product to be marked by laser at high temperature to form fonts or patterns.
The advantages of laser jet printer are as follows:
1. Reduce production costs, reduce consumables and improve production efficiency.
2. Anti-counterfeiting effect is obvious. Laser code-jet technology can effectively inhibit the counterfeiting of product identification.
3. It is helpful for product tracking record. Laser jet printer can print out the batch date and shift of the product. It can make every product get good tracking performance.
4. Increasing the added value can make the product look better. Promote the brand awareness of products.
5. The equipment is reliable, the Laser Marking Machine has mature industrial design, stable and reliable performance, can work 24 hours continuously, and the laser maintenance-free time is more than 20,000 hours. Temperature adaptability range is wide (5 - 45 C), which is widely used in various industries in the field of production and packaging.
6. Environmental protection and safety. Laser typewriters do not produce any chemicals harmful to human body and environment. It meets GB7247-87 and GB10320-88 standards. It is an environmental-friendly high-tech product.
7. Laser jet printer can print a large amount of data in a very small range. Laser can mark the product material with very fine beam. The printing accuracy is very high, the control is accurate, the content of jet printing is clearly and perfectly interpreted. It has strong market competitiveness, environmental protection and safety, without any corrosiveness, and completely isolates chemistry. Pollution is also a kind of intimate protection for operators, which ensures the cleanliness and tidiness of the production site, reduces the investment in the later period, and reduces noise pollution.
Human beings have reached an unprecedented height in their understanding of environmental protection and effective utilization of resources. It has become the consensus of developed countries and most developing countries, including China, to eliminate the backward equipment and production processes that cause environmental pollution and waste of resources to the greatest extent. Because the dot matrix ink typewriter has four difficult problems: high pollution, high consumables, high failure and high maintenance, which can not be overcome. Especially the chemical pollution caused by dot matrix ink typewriter in use can cause harm to the environment and operators.
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