1. Methods or processes carried out without proper attention, caution, or due diligence; actions performed in a haphazard manner that may result in errors or harm
The careless procedures in the laboratory led to contaminated samples and invalid results.
Os procedimentos negligentes no laboratório resultaram em amostras contaminadas e resultados inválidos.
2. Failure to follow established protocols or safety guidelines in executing a task
Careless procedures in handling hazardous materials posed a serious risk to workers.
Os procedimentos negligentes no manuseio de materiais perigosos representavam um risco grave aos trabalhadores.