Drawings reduce feeder guessing. Samples expose small tolerance issues. Photos help Mass identify part direction. Barrel dimensions affect guide design. Refill data influences station timing. Cap force can change tooling scope. Ink behavior belongs in the first discussion. Utilities should be listed early. Floor plan data prevents later layout changes. Line direction matters for operators. Packing scope should be separated from assembly. Warranty terms need written confirmation. Spare parts require clear names. Training plans should mention the buyer team. Acceptance tests should use real parts. Delivery review should include wooden packing. Service access needs space around the machine.