To completely replace an existing cast iron soil vent or stack with a plastic one (connected to the one WC only), re connected underground and made good internally will take. 2 men 2 daysâ¦â¦..Â£600, materials and tower and tippingâ¦â¦..Â£375, â¦â¦â¦..
IQ is a comparison of your test results to the results of people your own age. The average IQ is 100. If you gave 1,000 people a really hard test, your results would look like this: The higher the graph goes, the more people who have achieved that score.
IQ scale What does the IQ scale measure? What is an average score? How high can an IQ be? Here are some answers to these and other questions. First of all, the concept of IQ was developed by either the German psychologist and philosopher Wilhelm Stern in 1912, or by Lewis Terman in 1916, depending on which sources you consult. Intelligence testing was first done on a large scale before either of these dates.