Maintenance of the placement environment: First, the UV printer needs to be placed indoors.uv laser marking machine ， Exposure to rain or sunlight is prohibited. The placement location requires a place where there is no bright light. The temperature and humidity should be appropriate, not too humid.

In addition, the weight and volume of the UV marking machine is larger than that of the ordinary marking machine, and it occupies a larger position than the ordinary marking machine. The surrounding environment should be clean and dust-free;

In addition, the staff should clean up the dust attached to the UV printer body, ink passages and nozzles at any time to prevent the dust from accumulating and damaging the machine; it is strictly forbidden to place heavy objects on the body of the UV printer, so as not to affect the outer casing of the UV marking machine, platform or internal.

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The amount of lock cylinder is too large. The lock cylinder refers to the round core that rotates with the key. door hardware supplier ，Simply press the round core with your fingernail and turn the key into place to remove the key.

If the key is flat, turn the key so that it can be pulled out, hold it with pliers, and pull firmly. We need to find a pair of tweezers as this tool is the easiest thing to get to the key in the lock and we need to be patient and squeeze hard. Press and hold the key, and then drag it outward little by little.

You must know that it is difficult to pull out the key with tweezers, but we still have to be patient enough to pull the key out a little bit.

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Well-known businesses use landmarks to promote well-known brands. A landmark is an iconic building of a city, a central area. formation drones，With the commercialization of light show advertisements, in recent years, architectural light show advertisements have been used by the government, enterprises and institutions to the public. The main scene of the propaganda caliber.

For the media in the advertising field, new technologies and new scenarios are constantly emerging. Such a high-tech media combination of "iconic light show advertisement + drone performance" has already appeared in the public eye. The visual feast brought by the beautiful drone aerial photography performance is really pleasing to the eye. High-profile publicity and promotion of large-scale drone performances for corporate brands has attracted the attention of peer companies.

As a new form of performance, drone formation light show can impact people's vision, and the rich performance content can be used for brand rendering and popularity display; text, LOGO, and patterns have strong advertising effects to achieve event marketing. The brand and event information are subtly implanted into the audience's psychological cognition; the 3D animation drama of the drone light show itself has an immersive feeling, which triggers the audience's social psychological sharing and increases the brand and project's awareness. exposure.

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What is the difference between sandpaper and emery cloth?abrasive cloth , Different bases have different particle sizes.

Sandpaper is coated with abrasives on paper substrates, which can be coated with ultra-fine-grained abrasives and are suitable for polishing metal surfaces.

The gauze is coated with abrasive on the cloth base, and the abrasive particle size is relatively large. Applicable to: metal rust removal; non-metal grinding (such as the corners of wooden seats, the grinding speed is fast and the efficiency is high).

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What is the difference between sandpaper and emery cloth?abrasive cloth , Different bases have different particle sizes.

Sandpaper is coated with abrasives on paper substrates, which can be coated with ultra-fine-grained abrasives and are suitable for polishing metal surfaces.

The gauze is coated with abrasive on the cloth base, and the abrasive particle size is relatively large. Applicable to: metal rust removal; non-metal grinding (such as the corners of wooden seats, the grinding speed is fast and the efficiency is high).