Sealing means applying a coating of sealant to different parts of an automobile to make them impervious. In this phase of production, entire seams under, over and inside the automobile is sealed using sealer. This product is mostly used to seal hull parts, doors, chassis, trunk, front hood and auto hull floor and its main application include preventing moisture penetration, cabin noise and dust particles while strengthening the automobile hull and increasing the normal lifespan of parts. The nozzle is completely manual and does not required installation of robot arms or other machinery at the production line and it is applicable for all cars.