Microcrack toughening means that formation of microcracks ahead of the main crack can toughen ceramics. In ceramic matrix composites (CMCs), the additions can toughen materials but not strengthen them. Tammy shouldn't talk to Harold so harshly, but Harold needs to toughen up. This campaign includes initiatives to educate the public, toughen enforcement, and update state law. Naturally brittle materials, such as glass, are not difficult to toughen effectively. She tells her to toughen up and stop being so weak. Jake is unconcerned with Boogie's incarceration and hopes it will toughen him up. Shireman was in charge of the department's efforts to toughen regulations on for-profit colleges. The coaches asked Incognito to help "toughen up" Martin and "get him into the fold". Turgott stated in December 2012 that he hoped the loan move would toughen him up. Meat is less likely to toughen when aseptically processed, compared to canned products. It is then soaked in cold water for 24 hours before play to toughen it. Traditionally, players use a paste of some sort to toughen their line. Glover tried to make Lionel appear as though he is trying to "toughen [Lex] up". On the other hand, overmixing results in long gluten strands that toughen the pastry.