ABSTRACT
The study was conducted on workers in Na Duong coal mine, Lang Son province to investigate the working environment, health status and diseases. The results showed that working environment was contaminated by toxics that were above allowed limits, such as high silic dust level. Some common diseases were ear-nose-throat diseases, accounting for 77.2%, eye diseases 39.9%, digestion 17.8%, heart diseases 15.1%, and respiratory diseases 14.1%. Among respiratory diseases, silic dust-related one was significant. The rate in the mine neighborhood area was 10% and at the working site was 11%. Coal mine workers’ health was a little below the average compared with other domestic manufacturing sectors, nobody had health status at level I.
Subject(s)
Environment , Health , Coal MiningABSTRACT
Implementation of examination, sight test and interviews of 102 third class pupils of Hoang Van Thu, Phuc Tan and Nghia Dung primary schools in Hanoi city. The results: 32.3% of pupils are myopic, in which mainly are newly myopic. Only 15.2% are serious myopic (> 3 diops). Criterions as illumination power, average surface of class/pupil, dimension of furniture, of backboard come up to the standard, but there are some difficulties between schools, especially frequency of using furniture. School health services are existed but poor quality. Some concerning risk fastors as time of extra-school, playing game, watching television, sitting posture, physical activities and tireness of pupils after school time are not yet concluded but manifested clearly in myopic pupil group