Thi sequi pmentcompl i eswi t hFCCr adi at i on ex pos ur el i mi t ss etf or t hf oranuncont r ol l ed envi r onment . Thi sequi pments houl dbei ns t al l edandoper at edwi t hmi ni mum di s t ance20cm bet ween t her adi at or&yourbody.