A large underground system of pipes that carries away sewage
To make something good exist again
What causes the biggest problems for the maintenance teams?
What does 90% of the liquid in the sewers consist on?
To flow quickly and in large amounts
Nauseous
Beneath
The arrival of the ... in people’s bathrooms did a lot to improve
hygiene in the home, but it was a disaster for the city.
... is dangerous because it blocks
tubes.
Rats are less common in the sewers.
Створюйте онлайн-тести
для контролю знань і залучення учнів
до активної роботи у класі та вдома