GOST 17624-2021

Occupational safety standards system. Respiratory protective devices. Methods of test and test equipment. Part 4. Determination of gas capacity, internal migration/desorption of gas and combined filters using constant air flow and breakthrough time of filters against carbon monoxide using sinusoidal air flow

Stationary training equipment. Elliptical trainers. Safety requirements and test methods

Petroleum and natural gas industry. Subsea production systems. Mechanical test methods for optical cables

State system for ensuring the uniformity of measurements. Blast-furnace coke humidity. Techniques of measurements by neutron moisture meters

Occupational safety standards system. Protective leather footwear. Determination of the coefficient of attachment strength decrease due to aggressive media action

Artificial intelligence technologies in augmented and mixed reality. Visual indirect control of geometric parameters of capital construction facilities. General principles