mˈoʊst lˈæbz hæv θɹˈiː kˌælɪbɹˈeɪʃən sˈɛkʃənz dᵻvˈaɪdᵻd ˌɪntʊ kˈeɪ wˈʌn slˈæʃ kˈeɪ ˈeɪt, kˈeɪ fˈaɪv slˈæʃ kˈeɪ sˈɪks ænd kˈeɪ θɹˈiː slˈæʃ kˈeɪ fˈoːɹ ðæt spˈɛʃəlˌaɪz ɪn lˈaɪk tˈɛst ɪkwˈɪpmənt.
Most labs have three calibration sections divided into K1/K8, K5/K6 and K3/K4 that specialize in like test equipment.