On the Home Shopping Network and endlessly repeated infomercials and two-minute ads — the call-this-number-and-buy-it-now style of marketing known as "direct response" — he suggested the cleaner's effectiveness by sloshing it around a clear bowl of filthy water, all with a level of enthusiasm, passion, even urgency that seemed, frankly, absurd.
The active ingredients in the cleaners counteract enzymatic cleaners, lowering their effectiveness.
High-efficiency particulate air (HEPA) vacuum cleaners versus standard vacuum cleaners were tested for effectiveness in removing allergens and improving respiratory health in asthmatic children (Popplewell et al. 2000).
"Bleach is like the sun in its ability to sterilize," Benzoni says, "but it is not a cleaner". Bleach rapidly loses effectiveness in the presence of dirt, so you first need to remove the dirt so that it can disinfect.
For instance, subsidies for people or firms who were going to switch to the cleaner alternative anyway lower the effectiveness of the subsidy program, or drive up the cost of achieving a targeted level of emissions reductions.
Mass concentrations of PM2.5 and several health relevant components of PM2.5 including organic carbon, elemental carbon, sulfate, nitrate, ammonium, and 21 selected metals, were analyzed to evaluate the effectiveness of air cleaners.
Several countries in Latin America have unions for house cleaners, but results on their effectiveness are mixed.
Studies looking at the cost-effectiveness of promoting cleaner fuels as compared to competing preventive strategies will help policy makers to take informed decisions.
Change the bag often to maximize the effectiveness of your vacuum cleaner.
The relative differences among the ventilation configurations that we considered are similar to the reductions observed in intervention studies designed to evaluate the effectiveness of portable air cleaners.
