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.
Therefore, when calculating costs and labor for 1000 square feet of attic space, the average homeowner should expect to pay: 1  $500 - $1,000 for materials. 2  About $100 for equipment rental (which is sometimes offered for free with the purchase of a set amount of insulation) 3  For a total of $600 - $1,200.