01 / 4 · BBC Earth
Divers have been down to 100 metres and still there's no sign of the bottom.
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Professional divers can accomplish a wide variety of tasks like welding, cutting, and erecting formwork and other structures.
The first thing you might think of when you consider underwater construction is divers.
This is also the reason sometimes you'll see pools pumped with air to cushion the landing for the divers.
Hearish ti ripropone una parola in nuovi spezzoni, con voci nuove, finché non ti resta. Salva questa e comincia da qui.
