WORLD HUB on Instagram: "The post shares a 20-second DIY video hack for sealing leftover paint in a can by inverting a plastic bottle over it and heat-sealing the neck for an airtight fit, allowing easy reuse without drying out. With over 300,000 views and 557 likes within hours, it resonates as a practical, waste-reducing tip for home decorators, drawing enthusiastic Indonesian-language replies praising its ingenuity. This method repurposes common household items to extend paint shelf life, pot