[pianotech] Are Pressure Ridges and Cracks Acceptable on a Piano 4 Years Old

[Lynn Hall]

Since I am not a Technician,
 
Are Pressure Ridges and Cracks acceptable on a high end piano less than 4 years old, that has a damp chaser and also the environment is meticulously regulated and maintained within guidelines established by the industry? 
 
What do a majority of technicians think about this?
 


      
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