​When Mild Steel Is Cut, It Forms a Light Gray

Q6: Which of the following metals are easy

Q10: If _ is used in tips designed

Q11: Explain the chemistry of a cut.

Q21: Most cutting tips are made of _.<br>A)

Q29: When cutting _ diameter pipe, the torch

Q46: The _ is the lowest temperature at

Q50: The kindling temperature of iron is _.<br>A)

Q72: Which of the following determines the amount

Q75: _ contains little or no unoxidized iron.<br>A)

Q76: When metal is burned away, _.<br>A) oxygen