a) Used with beam cranes/^/^b) Mounted on a fixed suspended I-beam rail for linear or curved movement/^/^c) Fixed installation, for lifting or winch, divided into four ways: upper, lower, left and right/^/^Electric hoists are not suitable for use in environments with explosive or corrosive gases./^/^They are also not suitable for lifting molten,red hot metallis, alia flammabiles et explosivae materiae.