<prompt> All the following form part of occupational health history exceptHistory of previous occupationExposure to dustChildhood immunizationsSafety  <response>: Pre-placement examination Pre-placement examination refers to examination of a person before giving a job.The purpose of preplacement examination is to place the right man in the right job, so that the warker can perform his duties efficiently without detriment to his health.It is done at the time of employment and includes -History Medical, family, occupational and socialThorough physical examinationBattery of biological and radiological examinations Chest X-ray, ECG, vision testing, urine and blood examinationSpecial tests for endemic disease 