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.
Estimator, Construction Salary. Median pay for Construction Estimators in the United States lies in the neighborhood of $58K per year. With some bonuses and profit sharing proceeds approaching $10K each, total incomes of Construction Estimators generally range from $34K to $84K depending on individual performance.