laborarotry instruments & equipments,such as blood bank refrigerators,bod incubators,environmental test chambers,photostability chamber,low temparature water baths,laboratory oven,vaccum oven,hot plate,humidifier,constant temperature water bath,shaker water bath,bactorial incubator,universal water bath,industrail oven,laminar flow bench,orbital shaker,autoclave,tissue culture castor rack (ss).