железнодорожным

Said in one Russian podcast line.

• Большая часть фирмы занимается железнодорожным проектированием

  Most of the company is engaged in railway design.

  

  О чем шепчет архитектураОЧША#8 Наш конструктор в Британии

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).