1. compressed biscuits: compressed biscuits are biscuits made of wheat flour, sugar, oil and dairy products as the main raw materials, which are mixed by cold grinding process, rolled in English baking, cooled, crushed, mixed externally, and can be mixed with dried fruits, meat floss and other auxiliary materials, and then compressed.

Compressed biscuits, a kind of convenience food, is an ancient and vital product. From the convenience food used to satisfy hunger in the past, it has developed into a pleasant taste and balanced nutrition, which can adapt to the diet in special environment.

2. Chocolate: The main ingredient of chocolate is cocoa butter, which contains theobromine which is toxic to many animals. However, for humans, theobromine is a healthy anti-sedative ingredient, so eating chocolate can boost the spirit and enhance the excitement.

3. Mineral water: The essential trace elements and minerals contained in mineral water are also closest to the human body and play an important role as vitamins. Its role is much greater than we realize. Drinking while climbing mountains can increase physical strength and relieve thirst.

Extended data:

Mountain climbing is good for people's physical and mental health, but it also has certain dangers. In order to ensure safety, we should do the following:

1, when climbing the mountain, there are teachers or parents to lead, so we should act collectively.

2. Choose the place of climbing carefully. It is necessary to learn about the local geographical environment and weather changes from nearby residents, choose a safe mountaineering route, and mark it well to prevent getting lost.

3. Prepare sports shoes, ropes, dry food and water. Be sure to bring enough water in summer, because climbing mountains will make you sweat. If you don't add enough water, you will easily collapse and get heatstroke.

4. It is best to carry first-aid drugs with you, such as anti-hyperreflexia drugs, Yunnan Baiyao, hemostatic bandages, etc. , so as to come in handy when hyperreflexia, falls, bumps and sprains.

It is best to climb the mountain in the morning or in the morning and go back to the station in the afternoon. Don't change the climbing route and time without authorization.

6. Don't carry a backpack, but carry it on your shoulders, so that you can grasp it with both hands. You can also use a strong long stick as a crutch to help you climb.

7. Never take pictures on dangerous cliffs to avoid accidents.

8. For group mountaineering, you can buy short-term group travel accident insurance by yourself.

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