Example: tourism industry
In Tray
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Stage 3 | Prosthetic procedures Step 1 Impression-taking
www.straumann.comOpen-tray impression Indicated when the implant shoul-der is positioned very deeply (more than 3.0 mm sub-gingival); and if the soft tissue condition does not allow accurate seating of the closed-tray impression components. In this case, the open-tray impression procedure is advantageous, because the
Column Tray and Packing Design - University of Oklahoma
www.ou.eduTray Spacing: Large if froth is expected, also allow space for crawling (12” to 24”). Downcomer area: Fluid velocity larger than ascending bubbles (minimum width: 5”) Range of velocities= 0.1-0.7 ft/sec. Residence time criteria (3-5 sec) .