Read the interview of a special effects technician from a film studio describing how the actor who played Superman was made to fly. Complete the paragraph using the correct form of the verbs.
Cover, film, dress, project, build, hide, place, support, fix, attach
First the Niagara Falls (1) .. from a helicopter.
A wall (2) ... and this (3) ... with a great big screen.
Then the actor (4) ... in a steel waistcoat which (5)... by his costume.
The waistcoat (6)... to a horizontal steel bar which (7)... securely to the wall about 50 metres high.
Lots of mattresses (8)... underneath in case the actor would fall.
The background film of the Niagara Falls (9) ... on to the screen and filmed again, that time with the actor in place.
Then the actor appeared to be flying over Niagara Falls.