diff --git a/README.md b/README.md index 1da801d67fb0096993fa3d0a6bc1cf7fcb5090dd..688ff058a4e408c27355ac8f12bfa3542f51598a 100644 --- a/README.md +++ b/README.md @@ -60,7 +60,7 @@ We are also working with wood pulp based fabrics, that will act as filter of big ### Fabricating the filter Due to the density of the celulose raw material, we pulverized it and compact into a breathable filter of about 5mm thickness. -The filter needs to be tested to evaluate its filtering capacity and porosity. +The filter needs to be tested to evaluate its filtering capacity and porosity. The filter has three layers. <img src="images/l1_2.jpg" width="200" > <img src="images/l6.jpg" width="200" >