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1353101-1353200 most frequent sentences

levels of protection levels of protein levels of public levels of qualification levels of quality levels of radiation levels of radioactive levels of radioactivity levels of radon levels of reading levels of reality levels of reliability levels of resistance levels of responsibility levels of risk levels of safety levels of salt levels of satisfaction levels of schooling levels of security levels of sensitivity levels of serotonin levels of serum levels of service levels of services levels of severity levels of skill levels of social levels of society levels of sodium levels of sophistication levels of specific levels of staff levels of state levels of stress levels of stress hormones levels of study levels of success levels of sugar levels of support levels of taxation levels of technology levels of testosterone levels of the company levels of the game levels of the hormone levels of the organisation levels of the organization levels of these hormones levels of this hormone levels of thyroid levels of tolerance levels of total levels of toxic levels of toxicity levels of toxins levels of trade levels of training levels of triglycerides levels of trust levels of uncertainty levels of understanding levels of unemployment levels of uric acid levels of use levels of violence levels of vitamin levels of vitamin c levels of vitamin d levels of water levels of youth levels of zinc levels one levels only levels over time levels plan levels provide levels range levels recorded levels regularly levels remain levels remain high levels require levels required levels result levels return to normal levels rise levels rising levels rose levels see levels seen levels set levels should levels should be monitored levels so levels stable levels start levels still levels tend