The Wave Effect Analysis Caused By Blasting Toward Highwall Slope Stability At Coal Mining, Pit 3000 Block 05 Sb 1, PT Trubaindo Coal Mining, Kutai Western District, East Kalimantan Province - Putro, Guntur Suryo (Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung, 2018)