Boating safety advocates suggest the aduults wear a pfd during what activity?

Boating安全倡导者建议成年人在进行水上活动时穿戴救生衣（PDF）。这包括划船、乘船出海、参与水上运动等多种情况。穿戴救生衣可以大大增加在意外情况下的生存机会，确保安全。