ISBN-13: 9780367876807 / Angielski / Miękka / 2019 / 257 str.
ISBN-13: 9780367876807 / Angielski / Miękka / 2019 / 257 str.
Sewer systems fall into the category "out of sight, out of mind" – they seldom excite interest. But when things go wrong with the air in the sewer system, they go very wrong. Consequences can be dramatic and devastating: sewer workers killed instantly by poisonous gas when they lift a sewer lid, or entire suburban blocks levelled by explosions.