... covers telescopic booms, articulated booms, electric-scissors and static scissors. Those are widely used in ship ... projects, power, telecom, construction, gardening, advertisement, airports and terminals,can fully meet the needs of different clients. ... the machine inclines or overload, it will warning and stop. The specification of Articulated Booms MODELGKZ18MEASUREMNTSMetricWorking heiht maxmunm20 ...