Labels:barrier reef | box | case | clock | door | person | stairs OCR: MID-POINTS CE DH RANGES nH VALUES OF SOME FOR PROCESS CONTROL COMMON SUBSTANCES EXTREMELY ALKALINE HOUSEHOLD LYE BOTTLE WASHING 13.0 COPPER PLATING BLEACH 12.0 BRASS PLATING AMMONIA 1.0 MILK OF MAGNESIA 10.0 LIME -SODA SOF TENING BORAX HOUISEHOLDLYE
