 | STEP (ISO/DIS 10303-41, S96 ff) is supported with regard to SU units by the following seven basic units:
| | length (meter),
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| | mass (gram),
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| | time (second),
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| | electric_current (ampere),
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| | thermodynamic_temperature (kelvin),
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| | amount_of_substance (mole; quantity; compared to the number of atoms in 0.012 kilogram of carbon 12),
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| | luminous_intensity (candela).
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