 Well, my dear students, the course is Labour Policy Pakistan and the topic is hoists and lifts or the section relevant here that is section 33A of the factories act 1934. Section 33A hoists and lifts, subsection 1. In every factory, every hoist and lift shall be of good mechanical construction, sound material and adequate strength, properly maintained and shall be thoroughly examined by a competent person authorized by the chief inspector in this behalf. At least once in every period of six months, a register shall be kept containing the prescribed particulars of every such examination of which a copy shall be forwarded to the chief inspector. Clause B. Every hoist way and lift way shall be sufficiently protected by an enclosure fitted with gates and the hoist or lift and every such enclosure shall be so constructed as to prevent any person or thing from being trapped between any part of the hoist or lift and any fixed structure or moving part. C. The maximum safe working load shall be plainly marked on every hoist or lift and no load greater than such load shall be carried there on. Clause D. Decage of every hoist or lift used for carrying persons shall be fitted with a gate on each side from which access is afforded to a landing. Every gate referred to in clause B or clause D shall be fitted with interlocking or other efficient device to secure that the gate cannot be opened except when the cage is at the landing and that the cage cannot be moved unless the gate is closed. Subsection 2. The following additional requirements shall apply to hoists and lifts used for carrying persons and installed or reconstructed in a factory after the commencement of the labor laws amendment ordinance 1972 namely where the cage is sported by rope or chain there shall be at least two ropes or chains separately connected with the cage and balance weight and each rope or chain with its attachment shall be capable of carrying the whole weight of the cage together with its maximum load. Clause B. Efficient devices shall be provided and maintained capable of sporting the cage together with its maximum load in the event of breakage of the ropes, chain or attachments. Clause C. An efficient automatic device shall be provided and maintained to prevent the cage from overrunning. Hope you have understood this topic. Thank you very much indeed.