That said, Iâve spent many a weekend 'Visiting Ann Arbor,â and a whole year learning about all the things I wish I would've known before I lived here. Hereâs my âTop 9' list of fun things to do in Ann Arbor.
Definition of tray for English Language Learners. : 1  a thin, flat, and often rectangular piece of plastic, metal, wood, etc., that has a low rim and that is used for carrying things. : 2  a container that has low sides and usually no top and that is used to hold something.
Tray spacing is the distance between two trays. Generally tray spacing ranges from 8 to 36 inches (200 mm to 900 mm). Prime factor in setting tray spacing is the economic trade-off between column height and column diameter. Most columns have 600 mm tray spacing.