If want to drink something politely, what vessel should I use?
eat first open mouth use glass
use glass
glass is used in the following non-exhaustive list of products: packaging (jars for food, bottles for drinks, flacon for cosmetics and pharmaceuticals) tableware (drinking glasses, plate, cups, bowls) housing and buildings (windows, facades, conservatory, insulation, reinforcement structures)
if want to drink something politely,