Rusty steel pipe with heat insulation on construction site Spare parts and electronic components packed in soft red film with air bubbles . Isolated with patch industrial macro computer random access memory (RAM) sticks close up Rusty steel pipe with heat insulation on construction site Rusty steel pipe with heat insulation on construction site closeup hand of worker plastering cement at wall for building house round green electronic boards with display, microchip and processor, many meter components metal mold for the production of plastic moldings for the automotive industry.