Read and interpret blueprints, technical drawings, schematics, or computer-generated reports. Research, design, evaluate, install, operate, or maintain mechanical products, equipment, systems or processes to meet requirements. Confer with engineers or other personnel to implement operating procedures, resolve system malfunctions, or provide technical information. Develop, coordinate, or monitor all aspects of production, including selection of manufacturing methods, fabrication, or operation of product designs. Investigate equipment failures or difficulties to diagnose faulty operation and recommend remedial actions. Develop or test models of alternate designs or processing methods to assess feasibility, sustainability, operating condition effects, potential new applications, or necessity of modification. Specify system components or direct modification of products to ensure conformance with engineering design, performance specifications, or environmental regulations. Recommend design modifications to eliminate machine or system malfunctions. Assist drafters in developing the structural design of products, using drafting tools or computer-assisted drafting equipment or software. Oversee installation, operation, maintenance, or repair to ensure that machines or equipment are installed and functioning according to specifications. Conduct research that tests or analyzes the feasibility, design, operation, or performance of equipment, components, or systems. Design test control apparatus or equipment or develop procedures for testing products. Provide feedback to design engineers on customer problems or needs. Research and analyze customer design proposals, specifications, manuals, or other data to evaluate the feasibility, cost, or maintenance requirements of designs or applications. Estimate costs or submit bids for engineering, construction, or extraction projects.