How can I tell the difference between the STABILO OHPen permanent and the STABILO OHPen water-soluble?
Comment faire la différence entre les marqueurs STABILO OHPen permanent et STABILO OHPen soluble ?
The STABILO OHPen permanent has a black barrel, while the STABILO OHPen water-soluble has a gray barrel.
Le marqueur STABILO OHPen permanent a un corps noir tandis que STABILO OHPen soluble a un corps gris.