You have two possibilities to Format text areas to mail line-breaks.

1. Interakt Method

To do this, you must add a BEFORE custom trigger in which to write:

$tNG->setColumnValue("contentField", nl2br($tNG->getColumnValue("contentField")));

2. php Method

Put this just before the start of the email trigger definition

$_POST['Damage_History'] = nl2br($_POST['Damage_History']);

However, if you do this and later you try to edit the record, you will see <br> in the textarea, and not new lines.
This can be sorted with this:
<?php echo str_replace("<br>", "\n", $row_rs["contentField"]); ?>

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