Skin!

A COMB…! 

How about an hourglass? Millions of moving parts! (Not exactly a ‘timepiece, though!)

Surname 🙂

Breath…!

He had an umbrella or raincoat on, so he didn’t get wet.

The THIRD one must be safe, because an electric chair is as good as a normal household chair in in a building that has no power supply – the chair won’t work. So you can’t die if you enter through that door.

If the “temperature drops significantly” means it drops below freezing point, she has a chance: Just wait for those low-temperature months when the lake would freeze and she can get the materials across to the island over the frozen lake.

Wet!

Sea / ocean