in cold welding you use an ice block and some ice cubes
expressionless eyes
Ice and ice boxes (insulated boxes or cabinets in which a block of ice was set) were the norm for keeping items cold. The ice could keep for several days if the box was well insulated and well sealed.
The water would have to be colder than the ice to keep it cold. That is not possible unless it is brine(salt water). Then ice at 32f could be cooled by brine at say 30f.
Put it in somewhere cold, or block the Sun's rays from hitting it with a tarp or something, or insulate it with cloth to keep the cold in and the hot out.
An icebox is a type of refrigerator. It is a chilled box that is used to keep things cold. Ice boxes are kept cold with large blocks of ice that keep the food cold.
ice...dry ice...
Ice..
by putting it in the freezer...that makes it freeze and get cold...
put them in cold water
Put ice in it, or refrigerate it.
To keep the beer in the cooler cold