barista's goal is to explain and train the client.
A professional Egyptian barista has a client who owns the following: a home espresso machine with three portafilters (size 51), a pitcher, a home coffee grinder, a coffee bean scale, a water sprayer, a bean weighing tray, a clump breaker, a spring tamper, a coffee grinder, and a table that he uses as a coffee corner. The barista's goal is to explain and train the client.
