The definition of “a technology”, excerpted from WINSTON “Children of Invention Revisited”, p. 3: “Instead, we will think of technologies as consisting of several distinguishable but interacting aspects:

These six aspects are present in every technology.”

Be able use these six (6) aspects to define the technology of a) your cell phone (“cell phone technology”) and either b) a pair of eyeglasses (invented in Pisa, Italy at the end of the thirteenth century) (WINSTON, Landes article, p 29-30) or c) a central power plant (the first one for electricity started up in 1881)(Wikipedia: [[ Electricity generation]], “History”)