The English wording is not that clear. Can you confirm that in the THAI version, if the contractor causes damaged to equipment or inventory of ours they are liable to us to the value of the damage?
If so, I also don't think it is reasonable to cap the damage amount at the amount of the contract. Is there a chance they could do damage to a large amount of equipment or stock in any way during their work? How can we protect ourselves in this case?