1) 'Plumber’ is derived from the Latin word for lead (‘plumbum’) a) Who invented the toilet? b) Why are some manhole covers round? c) Can you name some of the past euphemisms for lavatory? d) Where does the word ‘plumber’ come from? 2) English writer Sir John Harington created the first design of the flush toilet in 1596. Plumber Thomas Crapper developed many of its staple features, including the ballcock. a) Why are some manhole covers round? b) Does water go down the drain clockwise in the northern or southern hemisphere? c) Who invented the toilet? d) What did we do before toilet paper? 3) The first advanced shower systems were developed by the Greeks around 300 B.C. a) Does water go down the drain clockwise in the northern or southern hemisphere? b) When was the shower invented? c) Can you name some of the past euphemisms for lavatory? d) What did we do before toilet paper? 4) People would use shells, sand and corncob instead! The Romans were slightly more conventional, creating a cleaning instrument that was essentially a stick with a sponge on the end of it. a) What did we do before toilet paper? b) How long does hot water take to burn skin? c) When was the shower invented? d) Who is the most famous plumber in history? 5) The Romans referred to the lavatory as the ‘necessarium’, the ancient Egyptians called it the ‘house of the morning’, and in Tudor England, it was called the ‘privy’ or the ‘house of privacy’, similar to the Israeli ‘house of honour’. a) Can you name some of the past euphemisms for lavatory? b) When was the shower invented? c) How much water is wasted every year by households waiting for the temperature to change? d) What did we do before toilet paper? 6) A round manhole cover cannot fall through its opening, whereas a square manhole cover could be turned diagonally and fall through. a) Does water go down the drain clockwise in the northern or southern hemisphere? b) Where does the word ‘plumber’ come from? c) Why are some manhole covers round? d) Who invented the toilet? 7) 10 minutes at 49 degrees Celsius 2 minutes at 52 degrees Celsius 6 seconds at 60 degrees Celsius 2 seconds at 66 degrees Celsius a) How long does hot water take to burn skin? b) Why are some manhole covers round? c) When was the shower invented? d) Who invented the toilet? 8) Both! The claim that water travels down the drain clockwise in the southern hemisphere and counter-clockwise in the northern hemisphere isn’t true – the direction of the waterflow depends on the position of the bowl’s rim jets. a) Who invented the toilet? b) Does water go down the drain clockwise in the northern or southern hemisphere? c) When was the shower invented? d) Where does the word ‘plumber’ come from? 9) More than 40,000 litres! Those extra seconds you wait for the hot water tap to start running warm water really do add up! a) Who is the most famous plumber in history? b) How much water is wasted every year by households waiting for the temperature to change? c) Who invented the toilet? d) When was the shower invented? 10) Mario, of course! Closely followed by Luigi. a) Why are some manhole covers round? b) Who is the most famous plumber in history? c) How much water is wasted every year by households waiting for the temperature to change? d) What did we do before toilet paper?

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