Rinse the blade and repeat on the next section to avoid trapping debris under the blade that could scratch the glass.
用水将刀片重新干净，然后移到另一片区，防止刀片下可以刮伤玻璃的碎片。
2
The servant brought him another glass of water. Every few minutes the Englishmen would come out of his room and repeat his request.
服务员拿来另一杯水。每几分钟英国人都走出房间并重复他的要求。
3
The products should be in line with the glass or walls. Angles need to be deliberately placed and repeated in the display to give a repeat or 'rhythm'.