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. Average Construction Estimators in the United States make around $54K per year. With some bonuses approaching $8K and certain profit sharing proceeds approaching $20K, overall incomes of Construction Estimators spread between $34K and $81K depending on individual performance.