Ascending and descending skills of portable electric wheelchair and related matters

The use of portable electric wheelchairs is conducive to the actions of elderly friends and people with disabilities, and they are greatly facilitated in terms of travel. Of course, there is no problem when operating on flat ground. When operating a wheelchair up and down, you need to know some tips and precautions.

Due to the influence of the slope, the slope surface needs to be measured in advance when passing through the uphill and downhill sections. Can't push forward unintentionally, so as to avoid accidents of overturning and causing injuries;

If you find obstacles such as stones on the way uphill, you need to hold the brakes firmly to prevent the portable electric wheelchair from slipping back. Ask for help and get over obstacles with the help of people around you. On the downhill road, you need to control the speed to slow down in advance, so as to avoid unexpected situations that are difficult to control in time because of the speed too fast.

Regardless of whether it is a motor vehicle or a portable electric wheelchair, you need to remember not to slip on the downhill section, and to slide in neutral. Because the car is relatively difficult to control during the downhill process. Once the car is in neutral, it will be very difficult to reduce the speed midway. Therefore, do not lock the lever strictly in the hand push mode to prevent personal injury.

When operating a portable electric wheelchair, you need to fasten your seat belt, because the body is difficult to control when going up and down the slope. If an accident occurs, the seat belt can achieve good protection. Electric wheelchairs bring convenience to travel and also have safety issues, so it is best to understand the relevant use skills and main precautions before operating and using.

Related mechanical characteristics of egetable vacuum packing machine

Vegetable vacuum packing machine is a special type of automatic shrink film packaging machine, which can be used for automatic shrink packaging of vegetables, garlic seedlings, fruits, tomatoes and cucumbers.

The characteristics of this packaging machine are that it can be packaged individually or in any group, especially a fully automatic heat shrink packaging machine designed for assembly line operations and large-volume packaging. According to the specific situation, an automatic feeding system can be selected to realize unmanned operation of the feeding, and various forms of conveyors can be used to ensure that the materials will not move and roll.

The vegetable vacuum packing machine also has a cut-proof safety clutch device that can not damage the packaging, so the overall efficiency is relatively high. Therefore, after packaging, the product seal can be linear, and the steel texture is clear and beautiful. The length, speed, temperature and bag length of the vegetable packaging machine can be individually adjusted, which is very convenient and accurate.

In today's daily life, many consumers are pursuing a healthy, safe and hygienic lifestyle. The requirements for agricultural products such as vegetables are constantly increasing, and vegetable packaging machines have emerged in this environment. Choosing a good packaging machine can not only improve production efficiency, but also improve the aesthetics of the packaging. Therefore, printing film and thermal transfer technology can add company logo and QR code, which will help increase brand exposure and expand brand promotion. effect.

Selection Method of Healthy Soy Sauce Quality

How to distinguish between good and bad soy sauce, and how should we choose? Special soy sauce, selected soy sauce, Jinzhen soy sauce, seafood soy sauce ... There are so many soy sauces, there are many types, it is really difficult to choose one that is both cheap and safe. The price difference of soy sauce on the market is also very large, and many soy sauces are packed into high-end goods, which is difficult to distinguish between true and false. So, how should we choose healthy soy sauce?

First : No matter what kind of soy sauce, the main ingredients are water, soybeans, edible salt. The fewer other ingredients, the less additives, and the better the quality of the soy sauce. Nowadays, many soy sauces are labeled as "brewed soy sauce", claiming to add beneficial substances, and adding additives to increase the freshness of soy sauce. It is difficult for consumers to see the content and composition of beneficial substances from the packaging, so it is recommended to choose soy sauce with less ingredients.

healthy soy sauce

Second : There are two main types of soybeans on the market: transgenic soybeans and non-transgenic soybeans. Soy sauce made from genetically modified soybeans is generally much cheaper. After research, the content of fatty acids in transgenic soybeans is lower than that of non-transgenic soybeans. Polyunsaturated fatty acids in non-transgenic soybeans can reduce the occurrence of cardiovascular disease and inflammation in the human body, and have a good control effect. So try to choose soy sauce made from non-GMO soybeans when buying.

Third : Amino nitrogen The level of amino nitrogen determines the nutrition and flavor of soy sauce. Generally speaking, the higher the amino nitrogen, the higher the grade of soy sauce and the better the quality. Currently, the market is mainly divided into 1st, 2nd, 3rd and special soy sauce. But in fact, they are not much different in nutrition. Some premium soy sauces are expensive, but the amino nitrogen content is similar to ordinary soy sauce.

healthy soy sauce

Fourth : there are many soy sauces classified by purpose on the market. For example, how do we choose braised pork, fried rice, steamed fish, etc.? Generally, soy sauce packages are marked for serving or for cooking. It can be eaten directly for catering, and the soy sauce has high hygiene requirements. The soy sauce for cooking cannot be directly imported. It must be cooked.

Why does safety tempered glass break into slag?

Safety tempered glass belongs to safety glass and is a kind of prestressed glass. In order to improve the strength of glass, chemical or physical methods are usually used to form compressive stress on the glass surface. When the glass is subjected to external forces, the surface stress is first offset, thereby improving the bearing capacity and enhancing the glass's resistance to wind pressure, cold and heat, and impact .

Due to the strong internal stress, the molecules of the tempered glass are firmly bound together, which makes the glass fragile before it becomes more rigid and tougher, and it is not easily broken or crushed.

Because of the huge stress inside the glass, the entire glass, especially at the corners, is always in a tight state. Even if there is a little scratch or damage on its surface, the stress will be concentrated on this point, breaking the original balance from the surface, causing the molecular bond to be broken at the break. The energy for molecular bond breakage is transmitted inside the glass at the speed of sound, and the stress accumulated in the glass will be released from the weakest place nearby, thus causing extensive molecular bond breakage.

safety tempered glass

Therefore, when extensive molecular bond breaks are caused, the tempered glass will be broken into slag in a moment. This is why tempered glass cannot be processed after it is made. Whether you try to drill a hole in it, smash it with a pointed object, or just scratch the surface with a glass knife, you can immediately scrap it.

The degree of glass breakage is closely related to the surface compressive stress formed during the tempering process. The larger the compressive stress, the more completely the glass is broken, and the more secure the fragments it forms. This is very important, because those broken glass doors and windows or bathroom glass, as long as it has sharp angles, can still cause skin scratches, and can even cut blood vessels in severe cases.

In order to make the glass more secure, people not only use heat-treated tempered glass, but also add a polymer film between the two layers of glass, so that even if it is broken by impact, the fragments will not fall down and fly everywhere. Yes. This laminated safety glass is common in cars and it has become standard on windshields.

What office chair do you need?

Changing a new office chair is easy, but how to choose the right office chair is difficult. The right high-quality office chair will have a huge impact on your working environment.

What are the different office chairs?
Office chairs are a great improvement over standard swivel chairs. Sitting and executive leather chairs that provide maximum comfort are a huge investment for you and your business. There are many different styles of office chairs.

office chair
An office chair is also known as an operator chair or computer chair. The functions of a standard work chair include swivel casters with adjustable casters and air lift to suit your needs. More advanced work chairs include adjustable armrests, adjustable backrests, lumbar support, and ergonomically designed seat cushions. Office chairs are suitable for homes and businesses, with a wide range of materials, from plastic chairs with foam cushions to fabric, mesh and leather finishes. These chairs are designed for operators who spend a lot of time in front of a computer. Choosing the right office chair will provide you with all-day comfort.

Loveseat Eames Office Chair
HC022D Loveseat Eames Office Chair

Executive chair
The executive chair is more stylish, and due to its elongated shape, the padding provides more comfort than most work chairs. The executive chair is highly adjustable, but it is not equipped with a fully adjustable backrest, which is not suitable for people who work with computers for a long time.

Leather Office Chair
C101A Leather Office Chair

Designer chair
The design of these chairs is simple and elegant, with a variety of colors and materials to adapt to any environment. Suitable for short-term work, but usually does not provide sufficient comfort or support for all-day use. They are ideal for use in public areas such as conference rooms and breakout groups to enhance your current workspace.

Loveseat Oganic Chair
HC039 Loveseat Oganic Chair

What is an ergonomic office chair?
An ergonomic chair is any chair designed to be used with the human body to improve posture and maximize comfort during long working hours.

Here are the 3 biggest benefits of choosing an ergonomic office chair:
Increase productivity
Sitting in an uncomfortable chair can cause backache and back pain. Moving constantly to find a comfortable sitting position can affect your concentration. The ergonomic office chair fits your body, makes you feel more relaxed, and focuses on the task at hand.

Improve posture and back pain
Posing for a long period of time can put a lot of strain on the back muscles and ligaments, which can cause severe back pain. The office chair is designed to provide the necessary back support and can be adjusted for each size and body type.

Reduce health risks
Sitting is as harmful to you as smoking. Poor sitting can affect blood circulation in the body and cause blood clots.
Investing in a good chair means less stress on the muscles that sit down, which will allow blood to flow through the body without any obstacles.