Extra clothing are designed for protection of the basic special clothes and separate parts of human skin against contact contamination by radioactive and chemically toxic substances, as well as against dropping effect of acids and alkalis of average concentration when performing maintenance, installation, dismantling, decontamination and other types of works.
It may be used when performing painting works, in agriculture - when working with fertilizers, insecticides and pesticides.
Semi-overall - cutting of over the breast, whole-cut sleeves without shoulder seams and seamless back
The lower part of the semi-overall is without side seams. Band-collar is sewn into the neck. Small laces are sewn into the seam at the back overcast in the neck area, big laces are sewn in to the side seams.
Instead of laces (small) it is possible to use half belts with stitched jimmers of Velcro strip (width of 2.0 cm, length of 6.0 cm), and instead of big laces - band, sewn from the one side of the semi-overall, with stitched soft part of the Velcro strip, and with stitched hard part of the Velcro strip from the other side.