Overview:
Steel wire is shaped and heat-treated into springs, concrete mixtures are molded into paving stones, thousands of specialized components are assembled and tuned to make pianos, and precision-machined barrels and mechanisms are combined into rotary cannons.
Release Date : 2006-01-11
Genre : Documentary
Duration : 21 menit
Rating : ⭐ 10/10 (1 votes)
Actors : Lynne Adams