Crop Storage Engineers producing for the worldwide crop storage industry. Gas burners. Crop storage ventilation louvres "Blendair". Humidity control AVC, GVC3, & MHC3. Temperature control AVC, GVC3, MHC3, FLC3, TMC3 and TC322 and HC322. Computer networked store controller. SMS text messaging. Motor control D.O.L, Star/delta, Soft-start, and speed control.