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Many of these delicate things may have had a rough life coping with people , excessive light levels , daily changes in temperature and humidity , pests , as well as the inherent weaknesses of individual fibres . To think of that delicate woman and her death agony . A week later , Bertha found the sitting-room brightened with the hanging water-colours , with curtains of some delicate fabric at the windows , with a new rug before the fire place . I beg pardon of those delicate spirits who are detractors of mathematics for saying this .... And the drifting sound and drifting color seemed to weave together in the making of a delicate and intangible fabric which was the spirit of the place . In this show we hear stories of those delicate and sometimes-not-so-delicate negotiations .