★ rudzi rwerobhoti rinodzivirira kuputika: Exd [ib] B T4 Gb yerobhoti rakazara (iyi parameter inoenderana nemushumo wekuyedzwa weNational Coal Mine, inodzivirira kuputika, Safety Product Quality Supervision and Inspection Center), mudziyo wemagetsi webhatiri re lithium: Ex d IIC T6 Gb (Testing Center of Research Institute of Coal Science and Technology Co., Ltd.)
★ dziviriro: dziviriro yemuviri werobhoti IP68 (iyi parameter inoenderana nemushumo wekuyedza weTesting Center of General Institute of Coal Research)