Researchers led by the German University of Technology in Oman have looked into the effect of dust accumulation on PV systems and claim to have identified an optimal cleaning cycle in economic terms.

As needed: Check the interior for mineral buildup, especially if you have hard water. Run a cleaning cycle with a descaler to ...

Are they justified? By Paul Hope The self-clean cycle might be your stove’s most feared and revered feature, depending on whom you ask. The allure? A self-cleaning oven gets the cavity squeaky ...

Once the cleaning cycle is done and the oven has fully cooled, you can wipe the ash from the bottom of the oven with a microfiber cloth or sponge and the appliance should look good as new.

Gaps indicate spots where the nozzles are clogged. If you say yes, you have two options — cleaning or deep cleaning. Your first option should be cleaning, which floods the nozzles with fresh ink.