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Message: <blockquote data-quote="Horoscope Fish" data-source="post: 548945" data-attributes="member: 13090">She's holding a nozzle for compressed air, actually. The air is used for a couple things I know of: one, it can keep smoke out the handlers face (they prefer that from what I've picked up) and two, see how much mass there is at the farthest end of the punty (that's the steel pipe the glass is attached to)? By blowing cool air near the neck of the form that area is selectively cooled off, and cooler glass is stiffer, providing more support and helping control the motion of the form while it's being worked on. More than you wanted to know?  <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin    :D" loading="lazy" data-shortname=":D" /></blockquote>