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  In the  previous blog , we discussed the reasons why plastic molds are expensive. Considering this issue from another perspective, plastic molds are actually relatively cheap, in other words,  plastic molds  are very valuable. 1.   The mold is considered a floating cost, and it is not expensive if it can be allocated to a sufficient amount;   a small amount will definitely lead to a loss. 2.   Based on point 1, mold making a must be cautious.   The estimated sales volume can only rely on experience.   If you have insufficient experience, you can rely on channel surveys to assist in judgment, such as making reservations, using promotional materials, renderings, and even proofing to make market adjustments, and use market feedback to help decision-making. 3.   The other way to control costs is to strengthen the product reuse rate.   That is, if there are other products of the same kind that can move in volume, then design the structure of the new mold into a structure that can be used

  In the  previous blog , we discussed the reasons why plastic molds are expensive. Considering this issue from another perspective, plastic molds are actually relatively cheap, in other words,  plastic molds  are very valuable. 1.   The mold is considered a floating cost, and it is not expensive if it can be allocated to a sufficient amount;   a small amount will definitely lead to a loss. 2.   Based on point 1, mold making a must be cautious.   The estimated sales volume can only rely on experience.   If you have insufficient experience, you can rely on channel surveys to assist in judgment, such as making reservations, using promotional materials, renderings, and even proofing to make market adjustments, and use market feedback to help decision-making. 3.   The other way to control costs is to strengthen the product reuse rate.   That is, if there are other products of the same kind that can move in volume, then design the structure of the new mold into a structure that can be used

  The hot summer is coming soon, is there an urge to eat ice cream under the scorching sun? ​ Recently, an internet celebrity ice cream has exploded on the Internet, which is wrapped in glittering  gold leaf , which gives it a feeling of being full of local tycoons. But this little ice cream made many people dare not try it easily, and doubted its edibility. In fact,  edible gold leaf  has a long history. Gold leaf was first used in food and beverages in the 16th century in continental Europe. Indians used to eat the cheaper silver foil together with desserts long ago, believing that it can help digestion. Local people in the UK also regard gold leaf as a medicinal product, traditionally paired with another healthy food, gingerbread. In 1983, the World Health Organization Food Additives Codex Committee stipulated that gold can be used as a food additive, so gold leaf that meets the standards in the world is edible. Here is a warm reminder that only  24k edible gold foil  is edible. Gen

  Ventilation, used to deliver supplemental oxygenation to respiratory-failing patients, is a crucial procedure. It was described ages ago, and since that time, techniques and devices used are continuously improving. Claudius Galenus was among the first to talk about lungs and ventilation almost 2000 years ago and since then, several scientists and philosophers have tried to understand this concept. At the middle of the 20th century, several unidirectional valves were developed with different characteristics. Many different manual ventilation methods were described and used including mouth-to-mouth and mouth-to-nose but the   bag-valve-mask (BVM)   technique remains the commonly used one in emergency situations and in prehospital settings. The original bag-valve-mask concept was developed in 1953 by the German doctor Holger Hesse and his partner Danish anesthetist Henning Ruben, following their initial work on a suction pump. Their resuscitator, named “ Ambu ”(Artificial Manual Breathi

  1. Be aware of the components of the  Bag-Valve-Mask The main component is the self-inflating bag/manual resuscitation bag The masks themselves can come in a range of sizes and designs. Oxygen inlet at one end with tubing attached. Air intake valve at one end which is what allows the self-inflating bag to self-inflate. Oxygen reservoir bag which helps to ensure that the patient is breathing the maximum amount of oxygen available and if necessary rebreathing the minimum amount of their own gases. 2. Patient positioning Hyperextension of the neck. The ear of the patient should be level with the sternal notch in order to ensure that the plane of the mouth and the larynx are in alignment. 3. Use of adjuncts Another simple way to improve the patient’s airway is to use some airway adjuncts. These would be the guedal airway and the nasopharyngeal airways. 4. Apnoeic Oxygenation That benefit is increased time before the patient begins to desaturate during the procedure, thereby allowing the

  Airway and cervical spine control:   check for, and maintain airway patency. Remove debris or food particles which may occupy the mouth and the upper airway thereby preventing adequate air entry. Jaw thrust and/or traction on the tongue might be needed to keep the airway patent. Insertion of oropharyngeal airways, and when indicated/available, oro-or nasotracheal intubation are essential in keeping the airways open. The patient may die rapidly from asphyxia if this initial step is not quickly and meticulously carried out. In doing all these, it is essential to protect the cervical spine which must be assumed to have been injured in all unconscious patients and in those who have sustained significant impact to the cranium, face, neck and upper chest as well as those involved in high-velocity impacts and falls from height. C-spine protection can be achieved with: Rigid neck collars Head strappings Supportive sand bags placed on each side of the neck Breathing:  If there is no spontaneo

  1.Open mouth, clear airway of all foreign matter and fluids from the victim. The use of an Emergency Aspirator is recommended. Tilt head fully back wards and push the jaw upwards with neck stretched to open the airway. ​ 2.To assist ventilation it may be beneficial to insert an artificial airway. Be careful that it does not push the tongue back and thus obstruct the throat. 3.Hold mask tightly to victim’s face,covering mouth and nose, tilt head fully backwards, mask-holding hand lifting jaw forward. Squeeze   Ambu bag  smartly and watch chest expand. 4.Release pressure on the  manual resuscitator  suddenly and allow the chest to deflate. Repeat 12-20 times per minute, or 30 times in the case of infants.If continued resistance to insufflation is encountered, check for airway obstruction or correct the backward head tilt. If adequate ventilation is not achieved with the  manual resuscitation bag , immediately revert to expired air ventilation (mouth-to-mouth, or mouth-to-nose). 5. The

  How to effectively improve the breathability of  sms non-woven fabrics ? In the production and processing of non-woven fabrics, companies often attach great importance to the tensile strength of sms non-woven fabrics, but companies often ignore their air permeability, which leads to problems in the production and processing of non-woven fabrics. Due to poor air permeability, how to improve the air permeability of sms non-woven fabric products has now become a concern of many  non-woven fabric manufacturers . ​ SMS non-woven fabric is not only cheap, easy to decompose, but also recyclable, so it has a wide range of applications in the market. With the development of industry, there are more and more types of non-woven fabrics, and the scope of application is also expanding. Now, people have many higher requirements for the use of sms non-woven fabrics, and the sms non-woven fabrics currently on the market obviously cannot meet people's needs. So, how to effectively improve the bre