1 A sit-down electric reach truck with a 4,500 lb capacity might cost around $30,000 to $40,000. 2  An electronic narrow aisle forklift with an operator platform costs roughly $25,000 to $30,000.
Dye penetrant inspection (DPI), also called liquid penetrant inspection (LPI) or penetrant testing (PT), is a widely applied and low-cost inspection method used to locate surface-breaking defects in all non-porous materials (metals, plastics, or ceramics).f excess penetrant is not properly removed, once the developer is applied, it may leave a background in the developed area that can mask indications or defects. In addition, this may also produce false indications severely hindering your ability to do a proper inspection.
surface with cloth or absorbent paper moistened with solvent. To minimize removal of penetrant from discontinuities, care shall be taken to avoid use of excess solvent. Flushing or flooding the surface with solvent, following application of penetrant and prior to developer application, is prohibited.