In the UK, a significant proportion of children have not only experienced drinking alcohol by the time they are allowed to purchase an alcoholic beverage (i.e. before 18 years of age), but are likely to have been drunk at least once in the last 4 weeks.
btw. âº 1  written abbreviation for by the way: used, for example in emails, when you are writing something that relates to the subject you are discussing, but is not the main point of the discussion: âº 2  written abbreviation for by the way: used in an email, etc. to add an extra comment, piece of information, or question:
A BTU or British Thermal Unit is the amount of heat required to raise 1 pound of water 1 degree Fahrenheit. All gas appliances are rated in BTU's/hr Input which is an approximation of the amount of gas consumed on full fire in one hour as expressed in terms of the heat potential of the gas.