For design of drainage system for any urban area, a vital but tricky consideration is the return period of the "extreme" rainfall events.
James's treatise, a tricky, erudite consideration of artistic authenticity, ponders why a reproduction is not considered as good as the original, then takes that question of copies and originals in any number of directions to illustrate his conviction that nothing is ever really new.
And Clough told BBC Radio Derby having a settled rearguard during that run, coupled with financial considerations, makes it tricky to strengthen.
So far, balancing the two has been tricky, as some proposals under consideration — notably one by Don Fisher, the billionaire founder of the Gap, to open a new contemporary art museum there — have stirred public outrage.
Dora Il'yasova, an epidemiologist at Georgia State University with expertise in biomarker-based exposure assessments, agrees that measuring biomarker exposures can be tricky and thus requires careful consideration before investigators jump in.
"Logistical considerations relating to 'my spouse' were tricky.
Ethical considerations around the sourcing can sometimes be tricky though, due to the lack of reliable record keeping.
He urged lawmakers to create special clean-energy financing mechanisms (under consideration in Washington) to assist projects through this tricky stage.
Amano acknowledged that finding replacements for DDG Cetto (Technical Cooperation) and DDG Burkart Nuclear Applicationss) would be trickier, as the jobs were rife with G-77 political considerations and he needed at least one DDG from a developing country.
Cooperation with the PYD is tricky for the U.S. It has previously avoided the group out of consideration for its only NATO ally in the region, Turkey.
