Free printable pocket guides
One A4 page each, black and white friendly, made to print and pin to the board next to the line or the inspection bench. Free PDF, no sign-up.

Incoming inspection
AQL Sampling Table Cheat Sheet
ISO 2859-1 / ANSI Z1.4 single sampling, normal inspection, general level II

Internal audit
ISO 9001 Audit Clause Quick Reference
Clauses 4 to 10 with the question an auditor asks and the evidence to show

Process audit
VDA 6.3 Process Audit Evaluation Guide
Scoring, element results, overall result EG and the downgrade rules on one page