The 1st modest packaging machine made by Accutek was a timed movement liquid filler. Thirty decades ago, packaging machines were not almost as flexible as they are today. Timing and Management have been accomplished mechanically and using a handful of relays. Accutek was an market chief during the transition https://www.linpack.com/news/the-top-advantages-of-using-a-vacuum-packaging-machine-for-your-business