Determine the chemical properties of sweet tea as ph, turbidity, and check the concentration of chemicals to clean the machine by means of titration. And check the packaging.
Check the chemical properties of the water, desserts, tea, pH and turbidity monitoring concentrations of chemicals to clean the machine by means of the kidney and concentrate as well as check the packaging.
Check the properties of the chemical, such as sweet tea pH turbidity and check the consistency of cleaning chemicals, machinery, as well as how the electret / condenser check packaging