hat
Tèm entèpretasyon: se * sere vè te fè fas ak tretman chalè. Li se karakterize pa fòmasyon nan yon kouch estrès presyon sou sifas la nan glas la. Fòs la mekanik ak fòs la nan enpak la chalè ki reziste yo amelyore, epi yo gen yon eta espesyal nan debri.
eng
Term interpretation: * Toughened glass is dealt with heat treatment. It is characterized by the formation of a pressure stress layer on the surface of the glass. The mechanical strength and the strength of the heat-resistant impact are improved, and have a special state of debris.