In this free tutorial video you will learn how to prepare excellent stencil for tee shirt printing, card printing, label or signage printing on industrial level or high quality screen printing for small home business. This video will describe that how the exposing unit machine must be used for perfect exposure time to avoid under exposure or over exposure of the screen for stenciling tee shirt printing screen. Prepare a chart for the time period if you are using flood light bulbs that how much time it will take with a specific height and intensity of UV light bulb from the dry unexposed photo emulsion coated screen but if you have exposing unit then watch this video must for perfect exposure time technique.