S₁ : To most people, the term, technology conjures up images of mills or machines.
S₆ : It includes ways to make chemical reactions occurs, ways to breed fish, plant forests or teach history.
P : The classic symbol of technology is still the assembly line created by Henry Ford half a century ago.
Q : The invention of the horse collar in the Middle Ages led to changes in agricultural methods and was as such a technological advance.
R : Moreover, technology includes techniques, as well as the machines that may or may not be necessary to apply them.
S : This symbol, however, has always been inadequate, for technology has always been more than factories and machines.
The correct sequence should be