ถ้าคุณชอบ Toilet
David Macaulay
Follows a tour of the bathroom and the sewer system, from the family toilets to municipal water treatment plants. Everybody knows what a toilet is for, but how does it work? This book explains the process from the flush that sends waste down the pipe to the time that clean water is released from treatment plants. The coauthor is Sheila Keenan.…
