أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
https://www.agcs.allianz.com/content/dam/onemarketing/agcs/agcs/pdfs-risk-advisory/risk-bulletins/ARC-Marine-Lock-and-Dock-Gates.pdf
There are three types of dock gates. the most popular is a removable pontoon gate, others are side hinged gate similar to the ordinary doors, and another is a bottom hinged gate.
