The Los Angeles United School District is the second university district in the United States, with more than 640000 students, 80 per cent of whom need free lunches. AustinBeutner, governor of the school district, said that this is a period of common fight against the epidemic, and the United school district provides free meals in the hope of working with the community to fight the virus. For this reason, the school district is almost open to giving out food, regardless of whether there are school children around adults or not, they can still get lunch boxes and milk. The school district prepares more than 500000 “take-and-go” food bags for students who pick up lunch every day.
We usually bring some bread, sandwiches, fruits and other food when we have a picnic. With this warm lunch box, we can also prepare some delicious meals for our children. It is said that eating in the wild will be more popular than at home.
Jian Xianqi, director of the office of Xiamen No. 6 Middle School, said that lunch and dinner in No. 6 Middle School are divided into separate meals. according to the arrangement of ordering and diverting meals in the class, they are packed in an incubator and uniformly delivered to the outside of the dining room, and then distributed in an orderly manner by students in each class, and the lunch boxes are finally collected and dealt with by the canteen staff. Personal protective equipment such as hand sanitizer and paper towels are placed outside each classroom. Class projection reminds students to wash their hands before meals, forbid talking during meals, be seated one meter apart, take off masks until the moment of eating, and put on masks immediately after meals.
Usually we pack lunch boxes, as well as some non-degradable plastic products, which have a great impact on the environment. Domestic sewage is not discharged properly, especially now there are many minority tourist attractions where many people go on picnics, and people often throw leftover garbage bags or leftover food into the stream. ? This has caused a lot of pollution to the river. So go out for a picnic. Dispose of or take away the garbage you make. Is the greatest respect for the environment. In order to keep the river from blackening and smelly.
The cooked food will be uniformly loaded by the staff on the conveyor belt. After entering the incubator, these lunch boxes are transported to the hot chain bus through the input window, leaving at about 11:00 to get to school before the students finish school. After receiving lunch, the students will have a centralized meal in the classroom.
In all kinds of plastics, thin film accounts for a large proportion. For all kinds of plastic films, the following simple identification methods can be used. Polypropylene can be divided into isotactic polymerization, random polymerization and syndiotactic polymerization, which has good toughness and bending times as many as possible. It is widely used in automobiles and household appliances. Car bumpers, door panels, household appliances, plastic basins, plastic cups, plastic lunch boxes, water pipes, BOPP and so on are all used in packaging paper, such as cigarette plastic packaging paper. ABS resin (mixture of acrylonitrile-butene-styrene graft copolymer and free as resin) is widely used in mechanical industry, automotive industry, electronic and electrical industry, instrumentation industry, textile industry and construction industry. Such as home appliance shell, car dashboard, air conditioning grille and so on.
With the surging tide of environmental protection and low-carbon society, lunch boxes that rely on green energy will also appear in the near future. Most people must have heard of solar water heaters, but have you ever thought that solar energy can still heat rice? This solar lunch box derived from creative design is equipped with foldable solar panels at the top, and the lunch box is equipped with a thermal insulation shell, the inner and outer layers are filled with foam, and then the interior is coated with metal film. reduce heat loss from three aspects: conduction, radiation and convection. It is worth mentioning that this lunch box can also provide three layers of food heating at the same time, and in order to take into account the temperature needed for different food preservation, each storage compartment has independent temperature control, display system and power supply wiring. Users can adjust different lunch boxes separately, which is really a good choice for outdoor workers, especially those who like camping or hiking.
This can be regarded as a relatively popular thermal insulation lunch box in recent years. It is really good news for office workers. It is light and convenient, and it can be heated when plugged in. You do not have to worry about the cold food because it takes too long. Moreover, you can count the time to cook and braise porridge, and you can have a mouthful of hot rice
After the lunch preparation is finished, the lunch will be packed in an incubator and distributed to each class by the staff. The soup of each class is also packed by heat preservation buckets and placed on the table, and the soup bowls that have been sterilized at high temperature are covered with cling film, which looks very refreshing. Open the stainless steel lunch box, which contains delicious roast meat with quail eggs, dried celery, organic cauliflower slices, and yam spareribs soup. While eating, the students praised, “We like to eat at school. The food at school is even better than that at home.”
Give a rose, leave a fragrance in the hand. At the donation ceremony, representatives of teachers, students and parents of country Garden School sent stationery sets and lunch boxes such as thermal cups and schoolbags to the children of Moth Primary School, and encouraged the children to study hard and establish lofty ideals through education. in the future, we will repay society with what we have learned and live a better life. The children of Moth Primary School also gave each other homemade small handmade gifts to thank the teachers and students and parents of Guangdong country Garden School for their concern from afar.