Sagot :
Answer:
Overlock sewing machines are normally run at high speeds, from 1000 to 9000 rpm. Bar tacking machine: The bar tack machine shown in Figure-2 is used for sewing dense tack around the open end of the buttonhole.
Answer:
Overlock sewing machines are normally run at high speeds, from 1000 to 9000 rpm. Bar tacking machine: The bar tack machine shown in Figure-2 is used for sewing dense tack around the open end of the buttonhole.