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【正文】 is put into cold storage. When it is ready for canning the fruit is weighed and graded. The grading ensures that fruit of a similar size is kept together. After this the fruit is peeled and the cores are removed. It is then sliced into the required sizes and put into cans. Juice or syrup is also added to the cans. Once the cans have been filled, they are sealed and cooked over heat to ensure that the cans are sterilized. When the cans are cool, labels are attached and they are placed into storages. The canned fruit is now ready to be despatched to supermarkets and sold.五 The diagram shows how chewing gum is produced. Firstly the ingredients of gum are put into a container and was heated until they form a single mass. This is then strained until all of the liquid has been eliminated. Next, the gum is passed into another container/place and the desired flavorings, sweeteners and softeners are added This mixture is blended until all of the ingredients are mixed together. The gum then travels/passes to a different machine which uses rollers to flatten out the gum. Finally the thin sheets of gum are cut into rectangular shapes and broken into separate pieces then the gum passes / travels along a conveyor belt where it is enclosed in packaging ready for distribution.四 Overall, the diagrams show that the cocoon stage of the silkworm can be used to produce silk cloth through a very simple process.三 The first diagram shows that there are four main stages in the life of the silkworm. First of all, eggs are produced by the moth and it takes ten days for each egg to bee a silkworm larva that feeds on mulberry leaves. This stage lasts for up to six weeks until the larva produces a cocoon of silk thread around itself. After a period of about three weeks, the adult moths eventually emerge from these cocoons and the life cycle begins again. The diagrams below show the life cycle of the silkworm and the stages in the production of silk cloth. Concrete production is much more simple. Four different kinds of materials are needed in different proportion. Gravel accounts for the largest part, at 50%, followed by sand, which is 25%. Cement and water contributes 15% and 10% respectively. The four materials are then mixed and poured into a concrete mixer and after a period of whirling, concrete is produced. Cement production involves the following steps. The first step is to put limestone and clay on two different conveyors. Then, these two types of materials are pressed into the crusher which breaks them into powder. Summarise the information by selecting and reporting the main features, and make parsons where releant.一 The diagrams below show the stages and equipment used in
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