/T: 12:04:40 / ==> comp1.observacion => varchar(30) :: 0.01
/T: 12:04:40 / ==> prov2.especif => decimal(15,8) => decimal (15,8) :: 0.02
/T: 12:04:40 / ==> prov2.dumping => decimal(15,8) => decimal (15,8) (especif) :: 0.03