law: Factories Act, 1948 
  22. Work on or near machinery in motion 
  (1) 42[Where in any factory it becomes necessary to
  
  examine any part of machinery referred to in section 21, while the machinery is
  
  in motion, or, as a result of such examination, to carry out- 
  (a) in a case referred to in clause (i ) of the proviso to sub-section (1) of section 21,
  
  lubrication or other adjusting operation; or
  (b) in a case referred to in clause (ii) of
  
  the proviso aforesaid, any mounting or shipping of belts or lubrication or
  
  other adjusting operation, while the machinery is in motion, such examination
  
  or operation shall be made or carried out only by a specially trained adult male
  
  worker wearing tight fitting clothing (which shall be supplied by the occupier)
  
  whose name has been recorded in the register prescribed in this behalf and who
  
  has been furnished with a certificate of this appointment, and while he is so
  
  engaged- 
  (a) such worker shall
  
  not handle a belt at a moving pulley unless- 
  ( i )
  
  the belt is not more than fifteen centimeters in width;
  (ii) the pulley is normally for the purpose of
  
  drive and not merely a fly-wheel or balance wheel (in which case a belt is not
  
  permissible);
  (iii) the belt joint
  
  is either laced or flush with the belt;
  (iv) the belt, including the joint and the
  
  pulley rim, are in good repair;
  (v) there is reasonable clearance between the
  
  pulley and any fixed plant or structure;
  (vi) secure foothold and, where necessary,
  
  secure handhold, are provided for the operator; and
  (vii) any ladder in use for carrying out any
  
  examination or operation aforesaid is securely fixed or lashed or is firmly
  
  held by a second person.]
  (b) without prejudice to any other provision
  
  of this Act relating to the fencing of machinery, every set screw, bolt and key
  
  on any revolving shaft, spindle, wheel or pinion, and all spur, worm and other
  
  toothed or friction gearing in motion with which such worker would otherwise be
  
  liable to come into contact, shall be securely fenced to prevent such contact.
   43  [(2) No woman or young person shall be allowed to clean,
  
  lubricate or adjust any part of a prime mover or of any transmission machinery
  
  while the prime mover or transmission machinery is in motion, or to clean,
  
  lubricate or adjust any part of any machine if the cleaning, lubrication or
  
  adjustment thereof would expose the woman or young person to risk of injury
  
  from any moving part either of that machine or of any adjacent machinery.]
  (3) The State Government may, by notification in the Official
  
  Gazette, prohibit, in any specified factory or class or description of
  
  factories, the cleaning, lubricating or adjusting by any person of specified
  
  parts of machinery when those parts are in motion.