Revision PT1

1. While delivering a presentation, you need to grasp your a_ _ _ _ _ _ _’s attention and maintain it in order to make sure your message is heard and understood.

1. In general, a well-structured presentation often consists of four main parts, which are introduction, body, c _ _ _ _ _ _ _ _ _ and Q&A.

1. A f _ _ _ _ _ e_ _ _ _ _ _ _ _ _ is a type of body language related to the muscles beneath the skin of the face.

1. At the end of the presentation, you should s _ _ _ _ _ _ _ _ the important facts once again, which strengthens the key points you want your audience to remember. 

1. When you receive f_ _ _ _ _ _ _ and advice after your presentation, you should express your gratitude. It shows that you are open to learning and improving.

1. The i_ _ _ _ shaft is a machine part that receives power from the power source. In a car it connects to the engine to help the car move.

1. F_ _ _ _ _ _ _ couplings allow for slight misalignment. They also help reduce noise and unwanted vibrations. Beam coupling is one of its common type.

A j _ _ _ _ _ _ bearing has no rolling parts. The shaft rotates inside a lubricated sleeve instead. It has high load-carrying capacity.

1. A s _ _ _ _ _ _ _ roller bearing is a type of rolling contact bearing that uses cylindrical rollers to support radial motion.

1. F _ _ _ _ is a push or pull on an object resulting from the object's interaction with another object.