Inquiry (采购产品): crane height I have a 90ft tower that I need to place a weight of 800lbs on. What size crane do I need? How much boom do I need? Thanks. **** Hidden Message ***** henry newcomb 01803 Company: Federal Aviation Admin. E-mail: henry.b.newcomb@faa.gov **** Hidden Message ***** henry.b.newcomb@faa.gov
