Helaly
About me
retired engineer.
Last visit
Joined
User has no published ideas yet
User has no followers
181
222
1358
1991
261
7081
509
352
2520
1132
464
5126
262
200
1003
36
37
161
569
546
2616
231
9
553
30034
972
125813
646
419
3684
7
22
35