Basalt fibre
Basalt fibres made from rock solidified from volcanic lava are suggested by some as the alternative to glass fibres.
Basalt fibres made from rock solidified from volcanic lava are suggested by some as the alternative to glass fibres.
BASIC HEAT PUMP ILLUSTRATION
Basket Weave is a fabric weave where more than one filling threads pass over and under the same number of threads on alternate rows of the warp.