With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Alec Baldwin starred in 30 Rock from 2006 to 2013.
text_B: Permit To Work -LRB- PTW -RRB- is an essential part of Control of Work -LRB- COW -RRB- , the integrated management of business critical maintenance processes .. COW is made up of PTW , hazard identification and Risk Assessment -LRB- RA -RRB- , and Isolation Management -LRB- IM -RRB- .. Risk Assessment. Risk assessment. Instructions or procedures are often adequate for most work activities , but some require extra care .. A Permit to Work system is a formal system stating exactly what work is to be done , where , and when .. A responsible person should assess the work and check safety at each stage .. The people doing the job sign the permit to show that they understand the risks and precautions necessary .. Permits are effectively a means of communication between site management , plant supervisors and operators , and those who carry out the work .. Examples of high-risk jobs where a written permit to work procedure may need to be used include hot work such as welding , vessel entry , cutting into pipes carrying hazardous substances , and work that requires electrical or mechanical isolation .. It is also a means of coordinating different work activities to avoid conflicts .. It should be emphasized that a permit to work is not a replacement for robust risk assessment , but can help offer context for the risk of work to be done .. Health Safety Executive UK studies show that , for example , one-third of all accidents in the UK chemical industry were maintenance related , and the single largest cause was a lack of -LRB- or deficiency in -RRB- PTW systems .. Common failures in COW systems are a failure to follow the PTW or IM procedures , risk assessments that are not suitable and sufficient to identify the risks , and / or the control measures and a combination of the two .
not_related.