the process of applying a primer to a wall using a roller. the primer solution is applied to the wall using a roller, so as to

application applicator atomizer atomizing background bottle bricks cleaner coat coating damping device diffuser dispersal dispersion droplets fluid freshness hand liquid method mist motion nozzle object paint plastic precoating primer priming pulveration pulverize spray sprayer spraying sprayup sprinkle squeeze the water wet wetting