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 pre-etched PCB is clean and dry. 2. Apply 2-3 drop of the paint on the PCB. We need