It Is The Subject Of The Present Plec To Set The Technical Conditions That Must Govern In The Contracting Of The Service Consisting Of Health Insurance For All Their Workers With Ophthalmological And Dental Coverage Included And Which Must Allow To Add To Their Relatives, Up To The First Degree, With More Advantageous Conditions But In Their Care, In Accordance With Article 45 Of The Collective Agreement Of The Xal.