1 educational technology as technological tools and media that assist in the communication of knowledge, and its development and exchange.  educational technology for learning management systems (LMS), such as tools for student and curriculum management, and education management information systems (EMIS)
what is the duration of hemorrhoids Natural recovery time Depending on the type: Some hemorrhoids can disappear within a few days while some more severe ones may last for weeks.
1 The doctor uses a small machine to apply infrared radiation to the hemorrhoid, causing it to shrink. 2  For internal or external hemorrhoids, surgery is considered the most complete method of removal and can require hospitalization. The doctor uses a small machine to apply infrared radiation to the hemorrhoid, causing it to shrink. 2  For internal or external hemorrhoids, surgery is considered the most complete method of removal and can require hospitalization.