A process requires the delivery of drops of volume 3.210-8 m3 . The liquid has a density of 900 kg/m3 and a surface tension of 0.03 N/m. What size capillary would you recommend for forming these drops, and what would be your estimate of an upper limit on the production rate from a single capillary, in units of kilograms per hour of drops? The drops are formed in air