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Description
Behind the CurveIn 2010, a fatal explosion and fire took place at the Tesoro refinery in Anacortes, Washington. Due to the High Temperature Hydrogen Attack (HTHA), a nearly 40 year old heat exchanger ruptured, exploding and fatally injuring 7 workers, making it the largest loss of life at the U. S. refinery since 2005. This course helps viewers to gain an understanding on the causes of High Temperature Hydrogen Attacks, how incidents such as these can occur and the
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 669 reviews
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Product Reviews
★★★★★ 1
3 SCORE 18 Duane Broussard
Color: Yellow
Good luck with trying to find blades. To work properly one has to find a blade with a center hole of 7/16” diameter OBLONG so it can engage the motor shaft and not spin freely DO NOT BUY THIS REPEAT DO NOT BUY THIS
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Easy to use edger.
Color: Yellow
The husband really likes the ease of use. Makes a beautiful cut.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Make sure you have original DeWALT batteries
Color: Yellow
I thought there was something wrong with the edger but it was the batteries. Must use original DeWALT batteries. I have cheap replacement batteries that work fine for all my DeWALT tools but do not work with this edger. Will run for a few seconds and shut off. With original DeWALT batteries, this edger works great.
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Reviewed in the United States on May 7, 2026
★★★★★ 3
Descent tool.
Definitely won't go as far as the add says on a fully charged battery. But works good never the less.
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Reviewed in the United States on March 21, 2025
★★★★★ 5
Cordless edging
Color: Yellow
Haven’t used it yet but I do know it runs and works.
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Reviewed in the United States on May 25, 2026
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