Aiming at solving the slow-response problem of traditional bead-type thermal conductivity gas sensors. a fast-response thermal conductivity gas sensor can be made by using multiwalled carbon nanotubes (MWNTs). combined with the technology of copyright modification. to modify the performance of the sensor copyright. https://www.roneverhart.com/100-Yards-3-8-Dusty-Sage-Green-Single-Face-Decorative-Satin-Ribbon/