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What is the name of the surface imperfection in a concrete wall that occurs when cement paste finds its way into gaps between forms.

bug hole
mortar fin
form line

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Previous Quizzes from the Past Week

Wednesday, December 15, 2010
Which of the following coating adhesion tests is the least quantitative?

Tuesday, December 14, 2010
What is the main subject of ISO 12944?

Monday, December 13, 2010
In what kind of spray application do the coating particles tend to wrap around edges of the substrate?

Friday, December 10, 2010
True or false: Primers and topcoats used with intumescent, fire-resistant coatings, as well as the intumescent coatings themselves, require the approval of Underwriters Laboratories.

Thursday, December 9, 2010
True or false: Inorganic zinc-rich coatings, normally used as primers in multi-coat systems, have sometimes been used as single-coat systems on bridges and other structures.

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Graco Inc.
Graco EcoQuip 2: Experience the Difference
While others claim their equipment is the same, none of them compare to Graco’s EcoQuip 2™ Vapor Abrasive® blasting line. Visit to learn more.

Sika® Industrial Floor Coatings
Click to learn about floor and wall systems relied upon for performance, durability, easy maintenance and aesthetics across the every industry and environment.

Novatek Corporation
Dustless Coatings Removal
Novatek Corporation, Dustless Coatings Removal Strip, clean and profile all dust free! Comply with new lead standards. Contact today: (866) 563-7800

Absolute Equipment/Grand Rental Station
We have Tier 4 Equipment including Air Compressors & Generators for Sale & Rent! Your job may now require Tier-4. or Call 412-931-6655.

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