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 is a British Thermal Unit, or a measure of thermal or heat energy. BTUs are used to determine thermal energy output in a variety of devices, including furnaces.he heating degree-day calculation for a furnace is 50 x heating therms x furnace efficiency = load in BTUs/hour. Your furnace must produce a certain load, measured in BTUs per hour, to heat your home.