https://answers.voipsupply.com/5507748/Why-is-a-ruggedization-protection-rating-important-for-DECT-phones
Why is a ruggedization/protection rating important for DECT phones? (DECT Phones )
Ruggedization or protection ratings, such as IP67, indicate a phone's ability to withstand harsh environments, including dust and water exposure. This is...
is aruggedizationprotectionratingimportant
https://electrolube.co.nz/knowledge_base/materials-for-real-world-heat-reduction-and-ruggedization-webinar/
Materials for Real-World Heat Reduction and Ruggedization Webinar
for realheat reductionmaterialsworldruggedization