The main tiny packaging machine made by Accutek was a timed move liquid filler. Thirty yrs ago, packaging machines weren't practically as adaptable as They can be nowadays. Timing and Manage ended up accomplished mechanically and having a couple relays. Accutek was an industry chief while in the changeover https://www.linpack.com/news/vacuum-packaging-machines-what-to-consider-before-making-a-purchase