Visual aids significantly improve the interest of a presentation. However, they must be relevant to what you want to say. A careless design or use of a slide can simply get in the way of the presentation. What you use depends on the type of talk you are giving.

Here are some possibilities:

*) Overhead projection transparencies (OHPs)

*) 35mm slides

*) Computer projection (Powerpoint, applications such as Excel, etc)

*) Video, and film,

*) Real objects - either handled from the speaker's bench or passed around

*) Flip~chart ..............etc

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 Hi am Moumi
 i would like to get details on biology investigatory projects for class 12 on aids ..My friend Justin said biology investigatory projects for class 12 on aids will be available here and now i am living at ......... and i last studied in the college/school ......... and now am doing ....i need help on ......etc..............etc

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i want a simple but attractive and creative biology investigatory project for class 12...................etc

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Hi am Mohamed i would like to get details on biology project on dna fingerprinting for class 12 ..My friend Justin said biology project on dna fingerprinting for class 12 will be available here.i need help on it. plzzzzzz help me..............etc

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The method of finding the location of moving Automatic Guided Vehicles (AGV) in pre-defined areas is by Distance Measurement Equipment (DME) which is based on ultrasound and triangulation technique. To reduce error,the ultrasound transmitter needs to be within the line of sight of the receiver. To get rid of this problem, powerful transmitters are used to ensure omni-directional transmission over large distances, which results in cone-shaped propagation..The new system shows that the vehicle can be more flexible, and angular restrictio..............etc

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i want a ppt for the topic cancer... as i amm done with my hard copy of the project but due to busy schedule i am not getting time to prepare a ppt....pls help me with the same..............etc

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biology investigatory project on cancer for class12d..............etc

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Overview
Acquired immunodeficiency syndrome (AIDS) is the final and most serious stage of the disease caused by the human immunodeficiency virus. Symptoms begin when an HIV-positive person presents a CD4-cell (also called T cell, a type of immune cell) count below 200. AIDS happens concurrently with numerous opportunistic infections and tumors that are normally associated with the HIV infection.

The most common neurological complications of AIDS involve opportunistic infections of the brain such as progressive multifocal leucoencephalopathy..............etc

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I want this pdf on biology project on the topic cancer..............etc

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