void manufacturing_Shown(object sender, EventArgs e)
{
m_manufacturing.Location = new Point(m_parent.Location.X + m_parent.Width - 3 *
m_manufacturing.Width / 2, m_parent.Location.Y + m_parent.Height - 3 * m_manufacturing.Height / 2);
m_manufacturing.StartPosition = FormStartPosition.Manual;
m_manufacturing.Show();
}
