How to apply UV Curable Solder mask

How to use UV curable Solder mask paint Materials Needed: 1. UV Curable solder mask paint. 2. Thin plastic sheet. 3. UV light source sun light or UV light. 4. PCB solder mask layer photoplots, printed on transparent sheet eg. OHP sheet. Dark area will be wash away. ie, exposed area become hard. 5. A piece of glass sheet. 6. Gasoline or nail polish remover for cleaning unexposed paint. How to apply: 1. Make sure the preetched PCB is clean and dry. 2. Apply 23 drop of the paint on the PCB. We need