7.4 Disinfection ........................................................................................................................................... 437.4.1 Disinfection: Manual external and internal disinfection ........................................................... 437.4.2 Disinfection: Machine disinfection - external and internal ....................................................... 447.5 Drying ................................................................................................................................................... 457.6 Care products and systems - Servicing ................................................................................................ 467.6.1 Care products and systems - Servicing: Care with KaVo Spray ............................................. 477.6.2 Care products and systems - Servicing: Care with KaVo SPRAYrotor ................................... 497.6.3 Care products and systems - Servicing: Servicing with KaVo QUATTROcare 2104 /2104A ...................................................................................................................................... 507.6.4 Care products and systems - Servicing: Servicing with KaVo QUATTROcare PLUS ............. 517.6.5 Care products and systems - Servicing: Servicing with KaVo QUATTROcare CLEAN2140 A ..................................................................................................................................... 547.7 Packaging ............................................................................................................................................. 567.8 Sterilisation ........................................................................................................................................... 57Table of contents 3