35mm Slider 

35 mm Slider like OHP transparencies casts  an images but they  have different  uses and  properties. They are used  to show an actual photographic  images in the  dark room. With  development of new  software  program it is  easy  to transfer computer  generated visuals into  sliders. Of  course  slider have  better impact  and attraction  than OHP transparencies but they  are  expensive  to use. To make  their  use more  effective.

a.Use soft cloth  to clean  the dust  on leans.

b.Use a remote  control  device with a long cord.

c.Talk ot the  audience not to  the screen.

d.Be prepared to hold teh attention of audience without  slides  even if the power fails.