Murali Krishnan

splash proof mask surgical mask class 1 protection ppe personal protective equipments manufacturing of face mask face mask face masks particle capture mechanism bacterial filtration efficiency filtration nonwovens respiratory protection respirators mask facemask toray fabric cool max fabric shark skin fabric quick dry active wear comfort high active sports wear sports wear sports slub slub specification slub definition uster for slub slub measurement thick yarn fancy yarn slub yarn course stitch density knitting calculations basic calculations in textile textile calculatios calculations weft knitting knitting torsion torsion bar power loom shuttle loom picking power velocity of shuttle weft insertion projectile weaving shuttle picking picking