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.
Cost estimators have a median salary of $60,050 per year, and are employed in nearly any industry that offers goods and services. The best-paid earned an impressive $99,370 in 2014, while the lowest earners took home $34,450. Industries that compensate cost estimators the best include oil and gas extraction, natural gas distribution and wireless telecommunications carriers.