Responbilities you enjoyed least
Cooking is one task that most men will do least effectively except the professional chefs. On the other hand most women are usually very power with technical work such as engineering.
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functioning effectively and with the least waste of effort
The type that most effectively reaches your customers at the least cost.
compressing at a depth of at least 2 inches
Creating a new capital, Constantinople, which effectively saved the Roman Empire. Or at least created the Eastern Roman Empire. It was also a great trade center.
One can do vacuuming effectively very simply if they do it the proper way. They must allow the vacuum to pass over the dirty area at least two times in order to successfully pick up the max amount of debris.
more effectively
most effectively
trees can be used effectively by not cutting them down
Well you obviously were NOT communicating effectively. To communicate effectively you need to have a good understanding of the language you are using to communicate with. If you had a good understanding of English you would know that "communicating effectively to" is not correct English. If you were communicating effectively using English you would have asked "How do you know you were effectively communicating with other staff" as your question.
Romantic poetry is rigidly structured with a strict adherence to traditional forms and meter.
Evaporation is used effectively in an evaporation cooler.
It works most effectively in sunny areas