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In recent years, road dangerous goods transportation accidents have occurred frequently, and in the event of an accident, the impact is often very bad. Therefore, it is especially important for practitioners to understand the emergency response measures in the event o ---MORE---

Now that the wardrobe is moving towards diversification, our range of choices is constantly expanding. Of course, like human life, once we start with it, we must be kind to it. Today, Xiaobian will share with you the wardrobe maintenance. The big taboo problem is also very important for everyo ---MORE---

Abstract For a long time, as the second largest oil producer in the Middle East, the Iranian nuclear issue has been shaking the fragile nerves of the international crude oil market from time to time. At present, facing the Western blockade of the iron wall, Iran’s importance in the glo ---MORE---

Abstract China's hardware tools are widely used in various fields, such as geological exploration, stone, machinery, automotive and defense industries. The manufacturing process level of various abrasive tools, drill bits and stone sawing tools has been greatly improved. The products have ---MORE---

Abstract China's shale gas reserves are the world's first, and Sichuan's shale gas reserves are the first in the country. Shale gas is unconventional natural gas stored in thousands of underground shale formations. It is large in reserves but more difficult to mine. The upstream a ---MORE---

1. The mat can be turned over and should be turned over once a week to evenly distribute the wear. 2. Avoid direct sunlight, especially if it is to avoid outdoor sun exposure to the whole or part of the fabric furniture for a long time. It is best to avoid the place where the sun shines, or t ---MORE---

Animal Laboratory: The humidity requirement in this environment is animal-based, such as mice, cats, rabbits, etc. The humidity should be maintained between 40% and 60% RH. Take rats as an example. If they live in an environment with a relative humidity of 40% or less, they are very likely to die a ---MORE---