Safety of woodworking machines. Circular sawing machines. Part 3. Down cutting cross-cut saws and dual purpose down cutting cross-cut saws/circular saw benches
State system for ensuring the uniformity of measurements. Standard platinum resistance thermometers of the first and second grades. Methods of calibration
State system for ensuring the uniformity of measurements. Natural gas. Volumetric heat (energy) of combustion. Method for measurement using the bomb calorimeter
