It could look like they didn't take the work seriously, but they really did because they're going to have to live with radioactivity their whole life.
يبدو أنهم لم يأخذوا العمل على محمل الجد ولكنهم بالفعل قاموا بذلك لأنه سيتوجب عليهم العيش مع النشاط الإشعاعي طوال حياتهم.