
dhone

washdown (vaash down bhee) ack satah koo saaf karane yaa dhone kii prakriya haye taaki vaha dikhaai dey, swachchata yaa sandushan koo hataa sakey. isamen dabaav dhona shamil hoe sakata haye. kabhi-kabhi dhone mein taaje paani seey dhona shamil hotaa haye; anya samay mein isamen detergent aur anya rasayanon kaa upayog shamil hotaa haye. 
khaadya prasanskaran aur packaging machinary.
khaadya aur dawa jaise samvedansheel utpaadon key prasanskaran key liye niyamon koo samay-samay parr poori tarah seey dhone aur sanitise karane kii aavashyakta hoti haye. kuchh upkaranon koo kendriya dhulai suvidha mein sthanantarit kiya jaa sakata haye. portable vishesh dhulai upkaran kaa upayog karke anya machinary koo saaf kiya jaanaa chaahiye. uchch dabaav vaali safai kaa upayog paani aur safai rasayanon key saath kiya jaataa haye.
 ack dhone aamtaur parr ack haath seey operation haye aur bacteria aur anya sookshmajeevon koo maarne key liye design kiya gayaa haye. audyogik upkaranon kii swachaalit safai aksar clean-inn-place (see. aaee. pee.) aur/yaa steam-inn-place (see. aaee. pee.) sanchaalan dwara kii jaati haye. see. aaee. pee. (see. aaee. pee.) pranaaliyan aksar programmable logic controller aur scada software kaa upayog karati hain.
deck aur drive way.
washdown ack sapaat yaa lagbhag sapaat baahari satah koo saaf karane key liye paani kii ack dhaara kaa upayog karane kii prakriya haye. aam taur parr saaf kiya jaane vaalaa kshetra concreet yaa damar kaa ack badaa vistaar hotaa haye. iss kshetra koo ack nully seey prakshepit paani kii dhaara kii shakti aur vighatan shakti key saath gandagi aur malabe seey saaf kiya jaataa haye. aam taur parr, ack vyakti nully koo pakadata haye aur lakshya rakhta haye, halanki yadi nully 300 feat seey adhik lambi haye tou dusare vyakti koo nully koo sthanantarit karane mein madad karane kii aavashyakta hoe sakati haye. paani koo aam taur parr nully seey 300 pee. aiss. aaee. key dabaav parr kheencha jaataa haye. nully kii lambai 75 seey 425 feat taka hoe sakati haye. aamtaur parr jaba ack vyakti dwara upayog kiya jaataa haye tou nully 300 feat lambi hoti haye. nully swayam ack jall mukhya seey paani leey jaati haye joe nully seey judati haye jise "stinger" kahaa jaataa haye. stinger pench paani kii mukhya pipe mein daal diyaa jaataa haye aur vahaan rakhaa jaataa haye.
saath hii, dunk koo paani kii aapoorti pipe mein neeche dhakelate samay ack muhar khulati haye joe paani koo nully mein chhodati haye. nully key dusare chhor parr ack nozzle paani key pravaah koo niyantrit kartaa haye aur ack badey fain-out spray key saath-saath ack adhik kendrit dhaara koo suee bindu kahaa jaataa haye.
sandushan.
sainya aur nagrik raksha mein vaahanon, imaraton, logon aadi seey rasayanik aur radiodharmi sandushan koo hataane key liye abhyaas hotey hain.

