Vous avez cherché: contamination (Anglais - Swahili)

eye contamination
uchafu wa macho

lanzhou water contamination was one of the top three trending topics on weibo as of friday night.
uchavuzi wa maji kwa kemikali hatari huko lanzhou imekuwa ni moja ya mada tatu zilizopewa kipau mbele katika mtandao wa weibo siku ya ijumaa usiku.

a number of residents who spread the word of contamination back then were labeled as "rumour-mongers" and "dealt with" according to law.
raia kadhaa waliokuwa wakitoa taarifa za maji kuchanganyikana na kemikali hatari kwa kipindi hicho walijulikana kama "wavujisha tetesi" na "kushughulikiwa" kwa mujibu wa sheria.

after washing and drying hands with a paper towel, the total number of bacteria was reduced on average on the finger pads by up to 76% and on the palms by up to 77%.the scientists also carried out tests to establish whether there was the potential for cross contamination of other washroom users and the washroom environment as a result of each type of drying method.
baada ya kuosha na kukausha mikono kwa tishu, idadi ya jumla ya bakteria ilipungua kwa wastani kwenye vidole kwa hadi 76%na kiganjani kwa hadi 77%.wanasayansi hao pia walifanya majaribio ili kubaini iwapo kulikuwa na uwezekano wa uchafuzi wa watumiaji wa bafu zingine na mazingira ya bafu kutokana na kila aina ya mbinu ya kukausha mikono.