The means of activity are an integral part of minimal actions: metal, furnace, hammer, and anvil are necessary elements of blacksmithing; wool and a spindle (or spinning wheel) are necessary for spinning. The elaboration of the means increases the complexity of the action: if means are lacking, one must first expend activity to produce them. In other words, the complexity of minimal production actions (e.g., blacksmithing or spinning) includes the complexity of the actions to produce their means of production. Similarly, the complexity of minimal consumption actions includes the complexity of consumer articles: before goods can be consumed, they must be produced.
The phase of technological development that began with the transition from hunting and gathering to herding and farming, brought with it a decrease in the intensity of activity and an increase in its complexity. Agricultural evolution was also the evolution of man himself: it reduced the intensity of his activity and changed his skeleton:
“A great deal of traditional farming required heavy work, but such spells were often followed by extended periods of less demanding activities or seasonal rest, an existential pattern quite different from the nearly constant high mobility of foraging. The shift from foraging to farming left a clear physical record in our bones. Examination of skeletal remains from nearly 2,000 individuals in Europe whose lives spanned 33,000 years, from the Upper Paleolithic to the twentieth century, revealed a decrease in the bending strength of leg bones as the population shifted to an increasingly sedentary lifestyle. This process was complete by about two millennia ago, and there has been no further decline in leg bone strength since then, even as food production has become more mechanized, an observation confirming that the shift from foraging to farming, from mobility to sedentism, was a truly epochal divide in human evolution” (Smil 2017, p. 53).
In contrast to small foraging groups, large agricultural communities are more complexly organized and can better reduce labor intensity through the allocation of labor and energy. Productivity growth in traditional farming is based both on more intensive use of land and on more complex labor through the use of draft animals, irrigation, fertilization and crop diversification: