These concerns were not eased despite today's report that sales of cars and light trucks by domestic makers rose in the recent 10-day selling period.
Similar pattern units appear on many solid-body guitars by various makers.
The gallery will also sell works by other rustic makers.
In recent years the gallery has built up a collection of studio pottery and displays ceramic works by modern makers.
The decision follows similar announcements by makers of cosmetics for adults.
Despite their reputation, they are actually not any louder than instruments by other makers - perhaps even less so.
Still others, if they have the wherewithal, go after those carved by famous makers, such as Peterson.
The cuts are in response to continued deep price cuts by other makers of personal computers.
The original stringings had decades of experimental experience by early makers and players behind them.
Toxic substances may also be added to the mixture for making concrete by unscrupulous makers.