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1. Mark Gierke (26/41)
2. michael beitzel (25/41)
3. Juan I. Ordinas (22/41)
4. Bill Gradisher (22/41)
5. Sid Stewart (21/41)
6. Richard Williams (21/41)
7. Doug Driscoll, Sr. (21/41)
8. Mark Anater (20/41)
9. Dave Heyne (20/41)
10. Brian Dove (20/41)
11. Lee Burke (19/41)
12. Douglas Steitz (18/41)
13. Roland Peemans (18/41)
14. Alex Hoogesteger (16/41)
15. Yasuhiro Karakawa (16/41)
16. Luís Bonifácio (15/41)
17. Dirk Kuijken (14/41)
18. Destiny Johnson (13/41)
19. Pierpaolo Bonora (13/41)
20. Marco Fabio Ramenzoni (12/41)
MONDAY, AUGUST 3, 2020
True or false: The “cold wall effect” produces osmotic blistering.
True. False.
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WEDNESDAY, JULY 29, 2020 True or false: When the blast profile on a steel substrate is lower than the specification requires, this problem can be easily remediated to meet higher specification requirements by using larger abrasive media and reblasting the under-specification surface.
TUESDAY, JULY 28, 2020 True or false: Increasing carbonation of concrete can increase the passivation of reinforcing steel.
FRIDAY, JULY 24, 2020 True or false: Both zinc-rich coatings and potassium silicate paints provide sacrificial protection to steel substrates.
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