Study on Productivity of Dig-Load Device and Transportation to Reach Production Target of 4.000 Ton per Day on Nickel Mining Activity at BH Block PT Fajar Bhakti Lintas Nusantara, Elvanun Village, Kecamatan Pulau Gebe, Kabupaten Halmahera Tengah, Maluku Utara Province - Marasabessy, Moh Chaidir (Universitas Islam Bandung, 2016)