Working in the cafe for a long time, you will find many different types of customers, coffee valve to teach you three types of customers.
The first type of typical is "Do not think I do not understand", pretend to understand a lot of customers, in fact, he did not know anything.
Customer: Mocha, add sugar.
Clerk: Miss, Mocha should be had sugar.
Customer: I also drank like this in UK! Do you understand it?
Customer: A cup of Frappuccino, take the ice!
Clerk: Sorry, Miss, Frappuccino is ice.
Customer: I also drank like this in foreign countries, do you understand it? If not call your manager out to do.
The second strangest type is "I want a big cup of espresso."
Customers: you are profiteers, just a sip of coffee.
Clerk: A sip of Espresso is 30ml.
Customer: I don’t care, I want a big cup.
Clerk: (add water)
Customer: How do you give me water? Add me coffee!
The third type: "Cafe is free Internet cafes."
I have a friend opens a cafe, described by himself the strange experience: a couple of next-door middle school. Always to buy a cup of milky tea, come to see the menu. And then he waved his hand and informs the waiter to do his own business. In the cafe to need boiled water, and asked WiFi password. Because the store did not have a bathroom, they go to outside to solve the urgent, and then come back, nothing to order, sit in cafe until evening.
Whatever the package form that the business choose, the one-way valve is a necessary component to add on, some information on coffee variety is provided.
One way valve believes that drinking coffee should be like tasting wine, first smell the aroma, and then try a small bite, that you can taste the essence of it.