Professional risk criteria have been established based on the assessment of working conditions for employees at a plastics manufacturing plant. These criteria are determined according to the classes of working conditions ...

Sanoat va qishloq xo‘jaligining rivojlanishi, shahar va qishloqlarning kengayishi, yildan-yilga yer yuzida aholi sonining ortishi ulardan hosil bo‘ladigan qattiq va suyuq chiqindilarni yig‘ish, saqlash, tashish va ...