If you can strangle the supply of key components, you can suffocate a country in manifold ways. No bonnet cables? No cars. No medicines? No healthcare. No semiconductors? No nothin'.

We as a society have forgotten the need to cherish those things we have, to maintain them rather than take them for granted

Industries evolve gradually, building upon one another; we never would have had our steel industry without the famed medieval smiths of Sheffield, and without steel we would not have had a host of other advancements that followed in its wake.