yair's profile - overview
Registered User | |
|---|---|
| member since | 2016-08-22 11:52:46 -0500 |
| last seen | 2016-09-18 05:04:46 -0500 |
| todays unused votes | 30 |
| votes |
2 Questions
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2016-09-16 07:29:10 -0500 Ivan Korolija 
How do I describe a roof surface with a hole (a 'ringed' surface)?
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