أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
to control the main line flow so that with minimum efforts main flow is controlled easily.....
Thanks for the invitation. I'm not sure what do you mean by control valves in the field of Investment. This sounds more like an engineering / electronics question even though it's tagged under "Investment control". Please reconsider the specialty tagging.
