Complete the second sentence so that it has a similar meaning to the first sentence. use the word in bold if given.

Hopefully this will help. I have finished the sentences in bold and the given word has been underlined. 
26. The power sensor reports low battery current to the processor, which prevents the robot from moving. 
27. The computer is being used at the moment. 
28. The machine has been switched off. 
29. You must not park your car on this pavement. 
30. He did not need to have air conditioning.
31. It's the most interesting form of transport I've ever seen/
32. New York is much further away than London. 
33. The supervisor said that they will change the filters in the following week.
34. The supervisor asked whether they had repaired the machine the day before. 
35. The engineer agreed to paint the tank.
36. The engineer told James he must work harder. 
37. Jim asked to close off the valve. 
38. The customer asked the shop assistant how much water it will save.
39. You don't have to use wood. Plastic is necessary. 
40. You are not permitted to build within one meter of another building. 
41. He asked if I could help him with those tools.
42. He suggested opening a new factory in Leeds.
43. I have never been on an oil rig before. 
44. I have worked here since 1990.
45. The prototype hasn't been tested yet.
46. He has been working on the project since joining R&D 
47. Reinforced concrete has been used on the decks of suspension bridges.
48. Various additives have been added to improve the mechanical, physical, or chemical properties of plastic. 

Slavery was the key of sugar