A "Conformity and Certification Conference in Rail Systems" will be held on February 28, 2020 by the Rail Systems Association.
ສະມາຄົມລະບົບ Rail Rail ຈະຈັດ "ກອງປະຊຸມຄວາມສອດຄ່ອງແລະການຢັ້ງຢືນລະບົບລົດໄຟ" ໃນວັນທີ 28 ກຸມພາ 2020.