hi is anyone else getting pee,d off with ems dialing into the packs in tesco and placing calls saying the packs are all short off gas and when you get there the packs are all working perfect and the cases too after phoning ems they say they measure the liquid in the receiver with a sonnar device monitored by emmerson this is the sort off thing engineers in the field could be doing without no wonder there are hardly anyone wanting to work in supermarkets sonnar what ever next sorry had to get that one off my chest