29

Have you ever wanted to have superpowers? Like the ability to teleport or breathe underwater? Wouldn’t that be ………………… to see the marine creatures and their world?

INTEREST

30

Till ………………… that was impossible.

RECENT

31

The depths of the ocean were inaccessible and lots of sea creatures were ………………… to us.

VISIBLE

32

Now, fortunately, the situation is different. Almost anyone can see a bit of the underwater ………………… world due to the aqualung.

MAGIC

33

The aqualung is a piece of ………………… that makes it possible to dive and breathe deep’ underwater.

EQUIP

34

It was invented in 1943 by an engineer and a marine ………………… and now is used a lot by professional and amateur divers.

RESEARCH