English to Russian Tech/Engineering Engineering (general) breast pumps

Добрый день, что здесь обозначает shot? Русь о молокоотсосах, документ по рискам.

Design will be changed to reduce the length of overmold (santoprene) of tubing adapter assembly, on the second shot by ~5.6mm. There is no design change to first shot (p/n 8107158).
The volume of second shot (over-mold) will be reduced by ~10%.

Спасибо