Household sewing - machines ; testing of non - automatic zig - zag mechanism
12.
Sewing - machine fittings
13.
Household sewing - machines ; testing of loss of tensile strength of needle thread by sewing
14.
The product of garment line has 300 sets sewing - machines , and has 35 sets specific machines which include triple machine , five line machine , the no . of the workshop is 100 which 10 is the scientific and technical personnel , 15 persons who checked on the quality
