5. PREPARATION FOR DELIVERY5.1. Packaging5.1.1. All weldments shall be packaged in a cleanroom of class specified in 3.2.8 immediately after the completion of all processes and inspection. No components or assemblies shall be left unattended without packaging. 5.1.2. Before packaging, verify that all components and assemblies are completely dry. All final packaging shall be performed in a cleanroom of class 1000 or better. 5.1.3. All packaged weldments shall be prepared for shipment per the guidelines established in Applied Materials Specification 0251-05100. 5.2. Identification5.2.1. Component identification shall be performed in accordance with Applied Materials Specification 0250-01033 unless otherwise specified. 5.2.2. Component package identification shall be performed in accordance with Applied Materials Specification 0250-60124 unless otherwise specified.5.3. Certification: Fabrication of weldment shall be certified by the processors. Certification shall include results specified on Applied Materials drawings per guidelines established in Applied Materials Specification 0250-36352.