Sorry

crack outside is a bigger concern since water can get into the crack and freeze thus enlarge the crack.

If it is indoors, it's less a problem.  Not sure how to help you, it's not a legal question 

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Big thanks! -老生長談- 給 老生長談 發送悄悄話 (0 bytes) () 12/11/2019 postreply 20:58:55

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