Overheated people

Hot people need ice cream. Bring them between 1 and 3 portions.

Pumps

Use them to pump out water and get access to blocked locations.

Lifebuoys

First you need to pick up the key and then tap the locker to open it.
The rescuers can take lifebuoy from an open locker to save drowning people.

Broken Bungalow

Collect bamboo and palm leaves and then tell rescuers to rebuild the bungalow.

Oil pumps

Fix the pumps and tap it 3 times to pumpout the oil.