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The users have to help in any way that can lead to solve an other users request. In detail: they have to help 1 time for every 5 own requests. If a user requests more than 5 (in total) and does not help 1 time than all of his new requests will be closed. 10 requests mean 2 times help.15 requests mean 3 times help... and so on...
You are now invited to help other users, too the same way you've got help here.
Your curent rate is 12 : 0 (requests : helping posts)