9 ฤดูกาล
69 ตอน
Inside the Factory - Season 4 Episode 2
How a factory in Manchester produces 700,000 toilet rolls a day starting with spruce timber offcuts from Sweden, pulped and rolled onto 1.2-tonne 'mother reels'. How the water treatment works of Brighton remove debris, grease and bacteria to produce clean water in little more than an hour. How a high-tech Japanese toilet addresses hygiene. How waterless toilets could improve sanitation for one-third of the world's population. The history of the modern flush toilet.
- ประเทศ : United Kingdom
- ประเภท : Documentary
- ผู้อำนวยการ :
- นักแสดง : Paddy McGuinness, Cherry Healey, Ruth Goodman
