Development of ultra violet (uv) lens optics along with opto-mechanical assembly

Supply of motorized ultra violet light cryostat

Annual maintenance services for water purification and conditioning system (version 2) - potable water purification system reverse osmosis or uv based 7 to 9 package-4 : water purifier and conditioning system maintenance involving basic servicing, ..

Annual maintenance contract for two years for ultra pure water purification system existing/installed at different units across the state under paschim banga go-sampad bikash sanstha , kolkata-700106

Head band,nail file,plain switches,switch stand,hair accessories,pack bleach brush,scissors hair cutting,wax applicator steel,black head removers,braid,bob pins,juda pins,setting clips large,scissors thinning,velcro rollers large medium and small,perm rollers star perm ladder perm spiral rods chop sticks wooden rollers,dye brush,back view mirror,professional hair brushes,scalp steamer,hot rollers,dummy head,crimper,mirror panel,trollies,curling rods with attachments,neck tray for perming,rebonding boards,benders,hood dryer,magnifier with light facility,vapozone,high frequency,wax heater,trollies,pedi spa tub,manicure stools,manicure tables,pedi stool,manicure trolley,dry sterilizer ultra violet,electric menicure kit,galvanic,wash basin front,hot towel cabinet,black head removers,wet sterilizer,yoga mat,process inspection and codes dvd or cds

Control valve characteristics,calibration of thermocouple,dynamic response of the u tube manometer,interacting non interacting system,proportional p and proportional integral pi controllers for flow and level control,time constant of the stirred tank heater,temperature control trainer with computer system,pressure control trainer,p i i p convertor,capacitance method,nephelometer or turbidimeter,hot air oven,muffle furnace,jar test apparatus,high volume air sampler pm10,fine particulate sampler pm2.5,biochemical oxygen demand analyzer,cod reflux apparatus with cod digester,bomb calorimeter,biogas digester or anaerobic digester,melting point apparatus,ball mill,air compressor,oil free vacuum pump,ultra violet flourescene inspection cabinet