Caterpillar smartphone

VIDEO: Caterpillar B15 rugged smartphone tested with 35-foot high dive before being crushed by a 277D
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The top 13 construction industry stories and posts of 2013
No. 5: Google Nexus 5
No. 3: Samsung Galaxy S4 Active
No. 1: Apple iPhone 5S
The 5 best smartphones for construction work
No. 2: Caterpillar B15
No. 4: Samsung Galaxy Note 3
Behind the B15: The design process of Caterpillar's rugged smartphone