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Sound waves with frequencies higher than the upper audible limit of human hearing is joining the load-bearing core and the protective sheath into a compact unit. It is used to finish kernmantle ropes ends.

Registered trademark for a hook-and-loop fastener, which consists of two components: typically, two lineal fabric strips (or, alternatively, round "dots" or squares) which are attached (sewn or otherwise adhered) to the opposing surfaces to be fastened.

Prevents oxidation of the protected metal by forming a barrier and by acting as a sacrificial anode if this barrier is damaged.

Acrylonitrile butadiene styrene is a common thermoplastic polymer. The most important mechanical properties of ABS are impact resistance and toughness. ABS is stronger than pure polystyrene.

Copolymer of ethylene and vinyl acetate.The material has good clarity and gloss, low-temperature toughness, stresscrack resistance, hot-melt adhesive waterproof properties, and resistance to UV radiation.

Medium or high carbon steel that has been given heat treatment and then quenching followed by tempering.

Material made of polyester with PVC cover.

Pavel Zoubek from the Liberec ZOO introduces their project in Indonesia and describes what does it involve to install camera traps in tree tops and tree climbing in the rainforest...

Manufacturing process for producing parts by injecting material into a mould. Material for the part is fed into a heated barrel, mixed, and forced into a mould cavity, where it cools and hardens to the configu-ration of the cavity.

Products marked with this symbol meet strict UIAA safety requirements. The UIAA is the International Mountaineering and Climbing Federation. In most cases, UIAA require-ments are sometimes stricter than EN standards.

The wall is located in the area of the former Hlubina Mine. When you go to the wall to climb, you walk through the corridor with an exhibition of photos and mainly around the old monumental mining machine.

The place offers a likeable area of 600 sq m for rope climbing. Moreover, a boulder is located upstairs of which climbing surface of over 200 sq m completes the ideal climbing experience.