Thre of them are rash,red mark and welt
<span>Backup sewage in the operation's storeroom is considered to be a contamination risk.
</span><span>You should first contact the local regulatory authority </span><span>and close the store to prevent customers from becoming sick.
Second, call a plumber or someone who can correct the cause of the backup.
Lastly, clean the area to prevent fecal contamination.</span>
D they are both cell division i learned this about 2 months ago
