Preservation techniques refer to the methods and practices used to protect and maintain something in its original condition, often to prevent decay or damage over time. Full definition
They were educated on food preservation techniques to make the (literal) fruits of their labor stretch further. (dotearth.blogs.nytimes.com)
The paper suggests that poor preservation techniques for the dating material could have led to contamination and false «younger» dates previously. (sciencedaily.com)
With continued innovation, better preservation techniques may be the first transplant technology to change the face of this crisis. (protomag.com)