The article deals with material about methods and ways of efficiency improvement the independent pupils' work at English language learning, also are examined practical moments lessons' practice.

Informal work in Colombia has generated great interest due to the presence of occupational hazards population. The objective this research is describe conditions Safety and Health at Work Workers Villa de San Diego Ubaté Market Square. This quantitative research, descriptive scope. A data collection instrument was designed be applied 183 workplaces marketplace. Descriptive statistics measures c...