<span>a rule of thumb that is based on a past experience is called an heuristic</span>
Have an extended part of walking so móvil it y is higher, also they need to use resistant material on their ladders, supports etc. Like metal
The need to have a restricted area for people with no permission to be near
And they need special clothes
The caste system regulated many aspects of live, such as what jobs one would have, whom one could marry and the position in the society.
These were taken to be almost impossible to change and they made the society less flexible, with less changes. People didn't see much change nor did they expect many changes, and this stability gave a sense of order.