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b Complete the following sentences about the flying garden chair using the prepositions in
                  the box. Check your answers against the text in Exercise 13b.
                  in     above          around        beneath        within

                  1      Projecting                               the chair was a cluster of ropes, tied to 42       helium-filled
                  weather balloons.
                  2      Anchor ropes were fastened                              the bumper of the car.
                  3      Larry Walters had an airgun inserted                                his pocket.
                  4      The helium contained                              the balloons warmed up in the sun.
                  5      After takeoff, the anchor ropes remained suspended                              the chair.

                  c Complete the following descriptions of how the garden chair airship was
                  assembled by underlining the correct words.
                  1      A quantity of helium gas was contained/suspended inside each balloon.
                  2      A tube was inserted/projected inside the openings of the balloons, to inflate them.
                  3      The balloons were situated/suspended over the chair, in a large cluster.
                  4      The chair was contained/suspended under the balloons by ropes.
                  5      Arm rests, contained/located beside the pilot, at each side, helped to hold him in place.
                  6      The  landing  gear,  inserting/projecting  below  the  seat,  consisted,  simply,  of  the  chair
                  legs.
                  7      The  pilot  was  positioned/projected  underneath  the  balloons,  so  his  weight  was  low
                  down.

                  d Which two other words have the same meaning as positioned?
                  contained      fastened     inserted      located        projected     situated    suspended

                  b  ►3.9  Eva  and  Lenny,  two  engineers  working  for  an  extreme  sports  equipment
                  manufacturer, are discussing cluster ballooning.

                  Lenny: So a typical cluster consists of somewhere in the region of a hundred balloons. That's
                  using ordinary-size weather balloons. With about twenty people helping it takes an hour or so to
                  inflate them all.
                  Eva: An hour or more with twenty people?
                  Lenny: Yeah. It’s pretty time-consuming.
                  Eva: And is each balloon tied on individually? Lenny: That’s the way it's often done, yeah.
                  Eva: And is the rope just fastened around the bottom, or... ?
                  Lenny: Well, some people use plastic cable ties. Or you can use tape.
                  Eva:  So  it’s  a  big  job,  then,  putting  everything  together.  The  harness  is  suspended  from  a
                  hundred or so ropes, then. Well, how is it fastened?
                  Lenny: Well, you can put nylon straps beneath the ropes. So you have several ropes tied to a
                  single strap, then each strap is fastened to the harness.
                  Eva: I see. So it’s like a kind of tree structure.
                  Lenny: That's right. And you have different lengths, so the balloons aren't all at the same level,
                  so they fit above and below one another in a round-shaped duster.
                  Eva: I see. So you inflate the balloons, keep tying them to the harness, via the straps, and keep
                  doing that until you take off.
                  Lenny: Basically, yeah. The pilot’s roped to sandbags on the ground. So the balloons are added
                  progressively until there’s a marginal amount of lift. Then the anchor ropes are released, and up
                  you go, nice and gently.
                  Eva: And how do you control your altitude? You carry ballast, presumably.

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