bids are invited for calibration services - temperature; water bath for soundness test; nabl labs; hybrid (detailed in scope of work) , calibration services - temperature; temperature indicator (curing tank); nabl labs; hybrid (detailed in scope of work) , calibration services - temperature; constant temperature water bath; nabl labs; hybrid (detailed in scope of work) , calibration services - temperature and humidity; thermo hygrometer; nabl labs; hybrid (detailed in scope of work) , calibration services - temperature and humidity; digital thermo hygrometer; nabl labs; hybrid (detailed in scope of work) , calibration services - length; digital vernier caliper; nabl labs; hybrid (detailed in scope of work) , calibration services - length; steel scale; nabl labs; hybrid (detailed in scope of work) , calibration services - revolutions per minute; digital contact and non-contact tachometer; nabl labs; hybrid (detailed in scope of work) , calibration services - volume; le-chatelier flask; nabl labs; hybrid (detailed in scope of work) , calibration services - time; stop watch; nabl labs; hybrid (detailed in scope of work) , calibration services - aperture size; test sieve -90 microns; nabl labs; hybrid (detailed in scope of work) , calibration services - voltage; multimeter; nabl labs; hybrid (detailed in scope of work) , calibration services - aperture size; test sieve - 850 microns; nabl labs; hybrid (detailed in scope of work) , calibration services - aperture size; test sieve -500 microns; nabl labs; hybrid (detailed in scope of work) , calibration services - aperture size; test sieve - 2 mm; nabl labs; hybrid (detailed in scope of work) , calibration services - aperture size; test sieve - 1 mm; nabl labs; hybrid (detailed in scope of work) , calibration services - temperature; temperature indicator (curing tank); nabl labs; hybrid (detailed in scope of work)