App of the Week: Crane Operator Hand Signals. Mobile app provides users with images of all necessary crane opeartor hand signals. Kimberly Hegeman. Dec 10, 2013.

The Hand Signals That Tell Crane Operators What to Do. Could any of these moves make a new dance craze? Yes. By David Grossman Published: Jun 06, 2016 5:57 PM EDT.

Most accidents happen as a result of misunderstood or misinterpreted hand signals. ... Liebherr Adds MK 120-5.1 to Mobile Construction Crane Series. Liebherr USA, Co.