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在矿山和隧道工程中人工清理松石普遍认为是最费力和最危险的井下作业。因此,在过去十年间为实现机械化作业进行了各种努力。赫尔姆海德联合公司(HolmhedSystem)研制和生产的、并由阿特拉斯柯普柯公司
Man-made cleaning of turquois in mines and tunneling works is generally considered the most laborious and dangerous downhole operation. Therefore, various efforts have been made in the past decade to realize mechanized operations. Developed and manufactured by HolmhedSystem and manufactured by Atlas Copco