Intangible loss, also known as spiritual loss, refers to the depreciation of machinery caused by scientific progress and the improvement of social labor productivity. Among them, due to the increase of labor productivity in the manufacturing sector and the reduction of reproduction costs, the corresponding depreciation of the original machine is the economic loss. However, due to the emergence of new machinery with higher production capacity and efficiency competing with the original machinery, to make the use efficiency of the original putty spraying machine relatively decline caused by depreciation, which is called technical performance loss. "In both cases, even if the original machine is still very young and productive, its value is no longer determined by the actual materialized labor time in it, but by its own reproduction or the necessary labor time for the reproduction of a better machine.
The actual life of putty sprayer is affected by the above two kinds of losses. The proportion of each is different according to different equipment types and different periods. For example, in recent years, due to the rapid development and update of electronic technology, the impact of technical loss in intangible loss is much greater than that of tangible loss, so the actual life of electronic products is only one or two years short. Take the electronic computer for example. In the 43 years since the first electronic tube computer was made in 1945, five generations of electronic tubes, transistors, integrated circuits and VLSI have been changed, and various products emerge in an endless stream. Relatively speaking, the development of construction machinery products is slow, the model is relatively stable, and its comprehensive loss is still mainly physical loss.
