QWERTY is the name of a keyboard layout, originally designed to  prevent jams that occurred when the keys clashed together.   They're most commonly used on personal compu â¦ ters and mobile phones.    QWERTY are the first six letters from left to right on the top  letter row of your keyboard.
The average salary for mechanical insulation estimator jobs is $64,000. Average mechanical insulation estimator salaries can vary greatly due to company, location, industry, experience and benefits.
National Average Pay and Salary Range. According to the Bureau of Labor Statistics, cost estimators earned an average salary of $63,080 per year as of May 2012. The median-earning half of cost estimators working in the United States earned salaries ranging from $44,630 to $77,130 per year. The lowest-paid 10 percent of cost estimators made $34,520 or less per year, while the highest-paid 10 percent reported annual salaries of $96,670 or more.