Sandnes Garn Borstet Alpakka 5535 Blue Iris - Wool and Company Fine Yarn
Sandnes Garn Borstet Alpakka 6046 Jolly Blue - Wool and Company Fine Yarn
ASM International - Happy Material History Monday! #mhm Today's material is a mouthful: Polytetrafluoroethylene (PTFE) MATERIAL: Polytetrafluoroethylene (PTFE) ABOUT: PTFE is a fluorocarbon solid, as it is a high-molecular-weight compound consisting wholly