Labels:bench | bicycle | chair | dining table | motor hotel | person | rock | roof | sky | tree | umbrella OCR: "Practically Invisible?' Another frequent mistake is the assumption that product claims that call plastic devices "practically invisible" are really true. sample placed on your desk under indirect or artificial lighting may look relatively clear and color less (as above right), but the same part ir direct sunlight on rooftop will look very different fabove left and below) 97
