関連ワード:  does primer need to be thinned    does primer need to be thinned for sprayer    does vallejo primer need to be thinned    does vallejo primer need to be thinned for airbrush    does airbrush primer need to be thinned    does vallejo surface primer need to be thinned    does vallejo black primer need to be thinned    does brush on primer need to be thinned    can primer be thinned    does primer need thinner