Thank you for viewing. A hazardous materials handler textbook that supports passing with easy-to-understand illustrations and abundant practice problems. - Title: Pass on the First Try! Class 4 Hazardous Materials Handler Textbook & Workbook - Price: 1200 yen - Features: Easy-to-understand illustrated text, abundant practice problems, and a final practice exam ※Considerably dirty. #HazardousMaterials #Class4 #Chemistry #Plant #Job #License #Class4 #ChemicalPlant #ReferenceBook #UCan #HazardousMaterials #Class4 #Chemistry #Plant #Job #License #Class4 #ChemicalPlant #ReferenceBook #UCan