Somebody help me. One day, five people were walking on the road when it suddenly rained. Four people stepped up their pace, but only one took his time, and the last five.

The fifth man is a dead man, lying in the coffin, and the first four people are carrying the coffin.

Coffins, also known as longevity coffins, longevity coffins, old houses, four and a half pieces, and ten pieces, are cabinets for holding human remains and are usually used for funerals. A coffin with a body is called a coffin. Coffins can be made of different materials, the most common being wood, such as cypress, pine, nanmu, willow and paulownia. There are also coffins made of copper and stone.

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The coffin, also known as the old house, is specially designed for the dead, and its workmanship is very fine. First look at its material. Usually due to the limitation of economic conditions, popular coffins are made of pine and cypress. A good and exquisite coffin is made of precious nanmu or natural crystal stone.

And its shape is also very strange, with a big front end and a small back end, which is stepped. On its body, the inclined plane of each board used is opposite, and all parts after molding should also reflect the inclined plane of big front and small back. The so-called coffin material is also called inclined cargo material, but both sides and lid are inclined with radians. From the front of the material head, the whole coffin looks like a semicircle.