Any valuable photo or paper-based document on display should be protected by a preservation-quality mat and frame.
展示的任何有价值的照片或纸质文件都应该保藏在能保证保存质量的垫子或框格里。
2
If you have to look up or down, move the display. This goes for placement of paper documents as well — you shouldn't have to crane your neck to see them.
如果你不得不向上或者向下看，调整显示器的位置。
3
Receipts are e-mailed on the spot or, if the customer prefers, a paper version emerges from printers hidden underneath display tables.