(a) visually inspect the hoisting apparatus before use to verify that it is in safe working order,

(b) where the operator has restricted vision, including restricted vision of electrical utility lines, move a load only on a signal from a signaller designated under section 212,

(c) raise a load vertically unless it is necessary to raise a load obliquely,

(d) when raising a load obliquely, ensure that the hoisting apparatus is suitable for lifting a load at an oblique angle and that any pendulum effect does not constitute a hazard to persons working in the vicinity,

(e) not carry a load over any person,

(f) not leave a suspended load unattended if a person may be in the area under the load, and

(g) ensure that where a pendulum effect may constitute a hazard to persons working in the vicinity, one or more guide ropes are used to control the load,