When terrorists strike -- A Survival Guide

In an event of an enemy attack, Singaporeans can seek refuge
in one of the North-East Line MRT stations.

These stations can be transformed into bomb shelters, with facilities
like tunnel blast doors and flexible ventilation ducts.

Another feature is the no-flush dry toilets.

The user places a plastic bag over the bucket.
When done, the bag containing waste is removed...

...and voila, our very own biological weapon!