When subtracting two numbers, regrouping means starting at the ones column and borrowing a value from the next column as one moves to the left until the subtraction is completed. Regrouping and borrowing are words that mean the same thing when subtracting.
The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron prior to the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.
The purpose of the Alexander technique is to help people unlearn maladaptive physical habits and return to a balanced state of rest and poise in which the body is well-aligned.lexander developed the technique's principles in the 1890s as a personal tool to alleviate breathing problems and hoarseness during public speaking. He credited the technique with allowing him to pursue his passion for Shakespearean acting.