HUMWPE fiber fabric is made of ultra-high molecular weight polyethylene fiber (HUMWPE), also known as high-strength and high-modulus polyethylene fiber. It is made of polyethylene with a molecular weight of 1,000,000-5,000,000, and its specific strength i
A magnetic wall detector operates without any batteries since it uses a rare-earth magnet (or magnets). It doesn't actually detect studs but instead locates the nails or screws attached to the wood.