Table nickel deposits, industrial indicators, general requirements project Nickel sulfide ore Nickel oxide-nickel silicate Primary ore Oxidized ore Pit mining Lucai Pit mining Lucai Boundary grade (ωB)% 0.2 to 0.3 0.2 to 0.3 0.7 0.7 0.5 Minimum industrial grade (ωB)% 0.3 to 0.5 0.3 to 0.5 1 1 1 Average grade of the deposit (ωB)% 0.5 to 2 0.6~1 1.5 1.2 Minimum recoverable thickness m 1 2 1 2 1 Stone removal thickness m ≥2 ≥3 ≥2 ≥3 1 to 2 High Security Fence,Anti Climb Fence,Security Prison Fence,Security Fence Anti Climb Hebei Qianye Metal Product Co., Ltd. , https://www.qymetalfence.com
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High security fencing systerm is well known in the world as an anti-climb & anti-cut through barrier, while providing the lowest level of visual impact to the surroundings. The panels are welded with high quality carbon steel wires. It is designed to give attractive, long lasting and secure perimeter protection for industrial and commercial properties, public utilities, and it is really suited for electronic alarm and detection systems - no blind spots for CCTV. It is also a good choice for Military,airports, secure units and prisons.