| A strong solution will both darken and roughen the skin. | |
| Edvard Munch turns now to tempera, the use of egg-white to roughen the quality of the oil, to flatten and condense the image. | |
| You roughen it to increase the conductivity? | |
| A strong solution will both darken and roughen the skin. | |
| Edvard Munch turns now to tempera, the use of egg-white to roughen the quality of the oil, to flatten and condense the image. | |
| You roughen it to increase the conductivity? | |
| Even the knobs themselves are roughened to make them easier to grip. | |
| Factory work has roughened them. | |
| It was the hand of a poor child, already roughened by hard work and washing. | |
| To tell the truth I expected someone older with hands roughened by years of housework. | |
| Slight roughening on the side of the soles caused by the friction of the pedals. | |
| Take him over there, get him started roughening that staircase. | |
| Even the knobs themselves are roughened to make them easier to grip. | |
| Factory work has roughened them. | |
| It was the hand of a poor child, already roughened by hard work and washing. | |
| To tell the truth I expected someone older with hands roughened by years of housework. | |
| Slight roughening on the side of the soles caused by the friction of the pedals. | |
| Take him over there, get him started roughening that staircase. | |
