Canvas is a thicker cotton or linen fabric, so named because it was originally used for sails. Generally, plain weave is used, a small amount of twill weave is used, and multi-strand threads are used for warp and weft yarns. Canvas is usually divided into two categories: coarse canvas and fine canvas. Coarse canvas, also known as tarpaulin, has good performance and is characterized by firmness. So what is the role of the canvas reservoir?
1. Water storage
The main purpose of the canvas cistern is of course to store water. In the past, basically every village would have a few cisterns, because that would make a living from farming, and the harvest of crops was very important to every household. The canvas cisterns could be irrigated during droughts and less rain. crops to ensure the harvest of this season's crops. It can also be filled with water for emergencies when there is a lot of rain. Reservoirs play an important role for rural people.
2. Aquaculture fishery
Later, after the development of the rural economy, some families with slightly richer families would expand the scale of the original reservoir and develop aquaculture and fishery. The happy thing when I was a child was to play in the pool in the summer (the pool is shallow and not life-threatening), jumping down with a plop, and the fish scurrying around in surprise, the slightly cool pool water can always dispel the heat of summer. And skating on the frozen ice in winter is a lot of fun. The use of reservoirs to develop fish farming has improved people's economic level, and many people have embarked on the road of making a fortune.
The canvas cistern has played a great role in people's lives from the past to the present, and the use of the cistern has long been no longer single but more diversified.
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