Engineering Rule #4 Coffee or Tea Mug

Engineering Rule #4: If you need N parts you will have N-1 parts available. Technicam notitia (the technical bits) Mug holds 11oz / 325ml of your favorite hot or cold beverage.  White exterior and interior. Lead free. Dishwasher and microwave safe. Our lawyer requires us to notify you that if you fill this mug with a hot beverage, the contents may be hot.  We really need to get a better lawyer.