The back frame is the side of a fly frame on which the bobbins, from which roving is drawn into the machine, are held.
The backtanning is an after-treatment to improve the wet fastness of dyed or printed silk: or nylon, using either natural or synthetic tanning agents.
A bacteriostat doesn’t necessarily kill bacteria. A stat means that it may simply be slowing growth or holding the death to growth rates of bacteria (same for fungal stats) more or less in equilibrium. Inhibits bacteria growth.
Badla is a flat metallic wire, otten silver gilt, used in brocading and embroideries which can be knitted in order to create a kind of metallic fabric, or used just as an embroidery on other textile surfaces. It gives to the fabric a very luxurious and reach appearance. It was very in vogue in 1950s and 1960s evening dresses for…