1. Know what you specify, or you may be buying a pin in the poke;
2. Define quality carefully, then you can check compliance;
3. Guarantees don't insure compliance, but good inspection may;
4. Strive for true competitive bidding, it's the best way to determine price;
5. Avoid unreasonable requirements, you won't get them anyway;
6. Keep specifications up to date; they seldom improve with age;
7. Avoid quality substitutions, but stick to your original concept;
8. Brevity is a virtue, but not when it is inadequate;
9. Strive for fairness and objectivity, the tools to use are to be concise and definite;
10. Don't copy something you don't understand, because nobody else will either.