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.
Many contractors will provide price quotes on a per square foot basis. Every project is a little different (depending upon the size of the project and the type of insulation you use). Prices will in general range from $1.00 - $3.50 per square foot (average cost).very project is a little different (depending upon the size of the project and the type of insulation you use). Prices will in general range from $1.00 - $3.50 per square foot (average cost).