Thefabrics with idealweft elasticity can be made by the rationalconfiguration of warp-weft compactness and density, fabrictexture, thearraymode of warp yarnandprocess.
In the second mode of working, the crystal fibre uses the regular array of holes to influence light in much the same way as the arrangement of atoms in a crystal can determine whether electrons are able to travel easily through it and hence whether the crystal is electrically conducting or not.