Answers

2015-10-14T17:24:23+05:30
- natural product wool 
- light weight 
-  porous 
- low thermal conductivity 
- good insulation property 
- moderately expensive 
- first manufactured in U.S in 1899
-
0
  • Brainly User
2015-10-14T18:32:06+05:30
 first manufactured in U.S 

0