Apparatus for cleaning sewerage pump wells, namely a rotating washing device and accessories therefor and apparatus, namely a system incorporating a dosing pump, for injecting chemicals or a combination of chemicals used for the control, suppression, elimination and/or masking of odours and gases in sewerage lines and/or sewerage pump stations.

'accessori':13 'and/or':38,47 'apparatus':1,16 'chemic':26,31 'clean':3 'combin':29 'control':35 'devic':11 'dose':22 'elimin':37 'gase':43 'incorpor':20 'inject':25 'line':46 'mask':39 'name':7,17 'odour':41 'pump':5,23,49 'rotat':9 'sewerag':4,45,48 'station':50 'suppress':36 'system':19 'therefor':14 'use':32 'wash':10 'well':6

Chemicals or a combination of chemicals, namely an oxidising chemical in the nature of chlorine, caustic soda, surfactant combined with a fragrance, adsorbant substance in the nature of zeolite, used for the control, suppression, elimination and/or masking of odours and gases in sewerage lines and/or sewerage pump stations

'adsorb':23 'and/or':36,45 'caustic':16 'chemic':1,6,10 'chlorin':15 'combin':4,19 'control':33 'elimin':35 'fragranc':22 'gase':41 'line':44 'mask':37 'name':7 'natur':13,27 'odour':39 'oxidis':9 'pump':47 'sewerag':43,46 'soda':17 'station':48 'substanc':24 'suppress':34 'surfact':18 'use':30 'zeolit':29

MCBERNS AUTOWELLWASHER

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