- Change in number of request for proposals from August to September - 54.6
- Change in number of orders from August to September - 53.7
- Change in backlog from August to September - 53.9
- Expected change in the health of the thermal-processing industry through October - 56.3
A number above 50.0 indicates increased activity or growth. A number below 50.0 indicates decreased activity or a decline in growth. Roughly 1,200 industry suppliers are contacted via e-mail to participate in a web-based survey the first full week of each month.