translate English to French: It asserts that all of these persons were held hostage between 2 August and 29 October 1990 and that it continued to bear the cost of salaries, welfare costs, and accommodation and living expenses during this time.
Toutes ces personnes auraient été retenues comme otages du 2 août au 29 octobre 1990; pendant tout ce temps, Technip aurait continué de payer les salaires, les charges sociales, ainsi que les frais de logement et de subsistance.