How Do They Do It?

The programme examines the intricate technological processes behind everyday objects that appear simple. It explores how modern rowing machines, the curing of Parma ham and the production of London Underground signs are carried out, revealing the sophisticated methods and engineering that make these common items possible.

The show is a programme episode titled “Rowing Machines/Parma Ham/Underground Signs.” It falls within the genre of factual television, presenting a concise segment that investigates how everyday products are manufactured. As a self‑contained instalment, it aims to shed light on the processes that turn raw materials into familiar objects. In this instalment the focus is on three seemingly ordinary items—a rowing machine, a slice of Parma ham and the iconic signs of the London Underground. The episode walks the viewer through the intricate technological steps required to produce each, demonstrating that what looks simple on the surface actually involves sophisticated engineering and precise control. The narrative follows the hidden stages of production, from the initial design and material selection to the final assembly and finishing touches. By breaking down each step, the programme reveals how specialised equipment, automated systems and careful quality checks combine to create a functional rowing trainer, a delicately cured ham and a durable transit sign. Through this detailed look, the episode underscores that everyday objects are the result of complex, coordinated processes. It invites viewers to appreciate the unseen labour and technology that make these items reliable and familiar, reminding us that even the most commonplace things are products of advanced manufacturing techniques.