Seamless casing, tubing and coupling stock from corrosion-resistant high-alloy steels and alloys for petroleum and natural gas industries. Specifications
Tactile and audio devices for information provision of visual disabled people. Sound pointers. Sound beacons. Tactile-touch terminals. Development, production, conditions of use
Occupational safety standards system. Personal protective equipment against falls from a height. Retractable type fall arresters. General technical requirements. Test methods
