winter security measures, specifically increased police patrols and community watch efforts near the end of the year to prevent theft and robbery; in Taiwan, now referred to as 春安工作 chūn'ān​gōng​zuò

precautionary measures against winter-specific hazards such as cold waves, fires, or ensuring livestock survival

utilizing the winter season to prepare for disasters that occur in other seasons, such as performing water conservancy work to prevent summer floods