fáng / wū / suǒ / yǒu / zhǔ / yīng / dāng / tuǒ / shàn / bǎo / guǎn / fáng / chǎn / zhèng / hé / xiāng / guān / wén / jiàn房屋所有主应当妥善保管房产证和相关文件。Property owners should keep the title deed and related documents safely.