That French scientist figured out a way to . keep wine from souring by using steel casks

kill bacteria by heating it

avoid problems by rotating vineyards

store wine at cool temperatures

Ifound this on google “the existence of agglomeration economies is central to the explanation of how cities increase in size and population, which places the phenomenon on a larger scale. the concentration of economic activity in cities is one reason for their development and growth.” i hope this you for what your looking for.