… or as «dental impression compounds», put up in sets, in packings for retail sale or in plates, horseshoe shapes, …
Explanatory notes
… or as “dental impression compounds”, put up in sets, in packings for retail sale or in plates, horseshoe shapes, … preparations generally used by artists or goldsmiths for making models and also by children for amusement purposes. … preparations of varying composition used in dentistry for taking dental impressions. They consist generally of wax, …