Civil explosive article
Civil Explosive Industry
the civil explosive enterprise
the Civil Explosive Enterprises
Abandon Explosive Materials
Commercial Explosive Materials
Flammable and explosive materials
Industrial Explosive Materials
industry explosive materials
superposition explosive materials
an Industrial Explosive Materials Co.
Department of Civil Engineering of Civil Engineering and Mechanical Institute
pour-type explosive＝powder-type explosive
HYDROGEN STORAGE ALLOY WASTE MATERIALS AND SCRAP MATERIALS
materials saving and the utilize of materials
replacement of thin materials by thick materials
A civil storied building