Ключевые слова: active, baluran, baskets, bondowoso, caldera, carrier, carriers, crater, dust, erupt, evaporations, fog, fumarole, gas, geology, goggles, gunung, helmet, ijen, indonesia, jawa, kawah, kawah ijen, men, mine, mining, mist, mountain, people, remote, securities, semeru, smog mask, smoke, sulfur, sulphur, turquoise, uniform, volcanic, volcano, work,