Chemical analysis services for material testing; Consulting services in the field of mining exploration; Consulting services in the field of environmental assessment and planning; Consulting services for others in the field of design, planning, and implementation project management of mineral processing; Consulting services for others in the field of design, planning, and implementation project management of extractive metallurgy; Engineering services and consultation for the detection of con...

SHEETS HAVING PATTERNS THEREON WHICH CAN BE TRANSFERRED TO COPPER CLAD BOARDS IN THE FABRICATION OF ELECTRICAL PRINTED CIRCUITS