Colleagues from the BD were invited to attend building management courses co-organised by the Home Affairs Department, with a view to providing seminars on healthy drains to participants.

Colleagues from the BD were invited to attend building management courses co-organised by the Home Affairs Department, with a view to providing seminars on healthy drains to participants.

Colleagues from the BD were invited to attend building management courses co-organised by the Home Affairs Department, with a view to providing seminars on healthy drains to participants.