Fay Siu Sin-man

The provided news articles discuss recent industrial accidents in Hong Kong, including a fatal excavator incident and an air-conditioner technician critically injured after a fall. Labor unions are urging for improved worksite safety measures due to a high number of accidents in the first half of the year. However, the name "Fay Siu Sin-man" does not appear in any of the snippets or titles of these articles. Therefore, no information is available regarding who Fay Siu Sin-man is, their background, or why they might be newsworthy in relation to these specific news items.