The rotation-controllable tower-crane hook-block.

Applied Sciences, Free Full-Text

Dynamical modelling of boom tower crane rigging systems: model

Rotation time required by the RTH.

A systematic review of scholarly works addressing crane safety requirements - ScienceDirect

How do cranes work Types of cranes - Explain that Stuff

Seismic responses and dynamic characteristics of boom tower crane basing on measured strong earthquake excitation - Document - Gale Academic OneFile

Analysis of field applicability of the rotation-controllable tower

Dynamical modelling of boom tower crane rigging systems: model

Power Rotating Hook Blocks

Power Rotating Hook Blocks: Hook-On Rotator

Wolff offers crane users anti-spin device

A systematic review of scholarly works addressing crane safety requirements - ScienceDirect