Sources of uncertainty (cont'd)
{"Image DocumentName": "Sources of uncertainty (cont\u2019d)", "Image ImageDescription": "Quality of supervision. Possible design changes, addition of new items. Poor specification of material/equipment needs. Off the shelf or special order purchase. The extent to which the services of the project can be accurately and fully defined in advance will vary.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}