三. Bottle Design Features 7. Vials and ampoules ⚫ Vials and ampoules- mainly for pharmaceuticals and sera Preformed tubing stock Sealed glass containers Constriction- easy fracture stress concentration coated with a ceramic paint Standard sizes -1, 2, 5, 10, and 20 ml. ⚫ Serum vials a rubber septum ; an aluminum neck ring. a needle cannula to withdraw serum can be accessed several times. standard sizes- 1, 2, 3, 5, 10, and 20 ml. ⚫ Tumblers - wide-mouthed containers Carboys -bulk containment for acids or chemicals.三. Bottle Design Features 7. Vials and ampoules ⚫ Vials and ampoules- mainly for pharmaceuticals and sera Preformed tubing stock Sealed glass containers Constriction- easy fracture stress concentration coated with a ceramic paint Standard sizes -1, 2, 5, 10, and 20 ml. ⚫ Serum vials a rubber septum ; an aluminum neck ring. a needle cannula to withdraw serum can be accessed several times. standard sizes- 1, 2, 3, 5, 10, and 20 ml. ⚫ Tumblers - wide-mouthed containers Carboys -bulk containment for acids or chemicals