Page 24 - English for Construction 1
P. 24

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                                     A:  What  are he differences  between  the wo  cranes?
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                                     B:  The  crane  on he left  is  a ower  crane. The  operator  sits in  a(n)
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                                        (1)         near the op  of he (2)       There's  a ounterweight
                                                                                          c
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                                        behind he cab. The  load  is  on he  other side  of the ib. The  operator  uses
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                                                                                     j
                                                 a
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                                        the  w i n c h nd  block o lower  or  raise the (3)
                                     A:  I  see.
                                     B:  The  crane  on the ight  is a  mobile crane. The  operator's  cab  is near  the
                                                       r
                                        ground. The  operator  extends  or retracts the (4)  , or moves  it from
                                        left to ight  or  up and  down.  Both cranes  use stabilisers or  (5)  '  '
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                                        and  counterweights to  maintain  stability.
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                                     A:  OK.  Thank ou.
                                     Write the  opposites.
                                     1  extend
                                     2  lower
                                     3  left
                                     Match  1-5  to  a-e  to make expressions  about  cranes.
                                     1  operator's                   a)  crane
                                     2  extend                       b)  cab
                                     3  mobile                       c)  the  boom
                                     4  raise                        d)  the  load
                                     5  tower                        e)  crane
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                                     Work in pairs. Close  your books. Student A  draw  a ower  crane for Student  B
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                                     to  label. Student B  draw  a  mobile crane for Student A o label. Check  each
                                     other's  work.
       22       3  Heavy equipment
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