01 / Search intent answered
Turn the question into a controlled engineering duty
Select edge, center, leading, trailing, upper or lower sensor positions that represent credible controlling packs. The project record must connect tunnel width, zones and airflow exposure with pack format and load pattern, define the thermal operating envelope and assign package-disposition ownership. Use incoming product and package temperature, required thermal or surface endpoint, package material and internal pressure, line rate and spacing, ambient range, zone-water quality, available heat and cooling, drainage and product-quality limits. State credible gaps, stops, restarts, low load, blocked discharge and sanitation states. Record every input with units, source, approval status, credible range and decision owner. Keep an unknown visible when it can change sizing, hygiene, packaging, automation, utilities, cost or schedule.