1) Dental equipment 
The miswak (miswaak, siwak, sewak, السواك) is a teeth cleaning twig made from the Salvadora persica tree (known as arak in Arabic). A traditional alternative to the modern toothbrush, it has a long, well-documented history and is reputed for its medicinal benefits. It also features prominently in Islamic hygienical jurisprudence. The miswak ...