The traditional craft of the copper whitewasher ("Mbiad Ennhas" or تبييض النحاس) is an ancient Moroccan trade deeply rooted in the country's culinary and artisanal heritage. Historically, it served as a vital health safeguard for households using copper cookware.
Preventing Toxicity: Raw red copper naturally oxidizes when exposed to moisture and air, forming a toxic green crust known as verdigris ("Al-Janzar").Creating a Barrier: The primary job of the Mbiad is to coat the inner surface of pots, pans, and couscous steamers with a protective layer, preventing food from reacting with the copper.
this Moroccan proverb: A handcraft is better than gold between the feet" صنعة اليدين احسن من الذهب بين الرجلين
This proverb highlights the enduring value of learning a trade or craft. While inheritance or wealth (symbolized by gold) can be lost or spent quickly, a practical skill stays with a person forever and ensures lifelong financial security.