宁海是灰堆的发源地之一。灰堆也称为“灰塑”。要做灰堆,首先要将蝦灰和瓦灰耐落灰进行细选,随后,将细灰取出,掺入煮熟的糯米(也可用芋头)以及麻筋,麻筋就是将麻布和麻绳剁碎,然后将它与细灰和糯米糅合在一起,就如同现在水泥中的钢筋一样,起到一个牵扯加固的作用。 Ninghai is one of the cradles of the ash pile. Ash pile is also called “gray plastic”. To do the ash pile, the shrimp ash and gray ash should be the first to carry out the fine ash resistance, then remove the fine ash, mixed cooked glutinous rice (also available taro) and hemp tendon, hemp is the linen and hemp rope Minced, then blended with fine ash and glutinous rice, it acts like a reinforcing bar in the cement nowadays, acting as a reinforcement.