List three coatings available on safety glasses.____________________________________________________________________________________________________________
What will be an ideal response?
Anti-fog
Anti-scratch
Anti-static
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Three holes are drilled on a horizontal line in a housing. The center distance between the first hole and the second hole is 201.25 millimeters, and center distance between the first hole and the third hole is 285.15 millimeters. What is the distance between the second hole and the third hole?
What will be an ideal response?
A(n) ____________________ to a circle is a straight line that touches the circle at one point only.
Fill in the blank(s) with the appropriate word(s).
Although allergic conditions can be caused by pet mice and rats, there are many other sources of allergens (e.g., house dust, insects, mites, pollens, and mold spores)
A. True B. False
An ____ is a flat piece of plastic or steel mounted on a pivot above the flywheel.
a. air valve b. air vane c. air plate d. air target