However, there are still several types of calls that necessitate the use of telephone operators.

However, if their United States income is not subject to the withholding of tax on wages, their returns are due June 15, 1962, if they use a calendar year, or the 15th day of the 6th month after the close of their fiscal year.

However, the use of tripods is not allowed.

However, there is also much to be gained by making use of the abilities of the local people who are available and interested in recreation.

However, Plato reports that syntax was devised before him, by Prodicus of Ceos, who was concerned by the correct use of words.

However, it did not come into general use until Joseph Greenberg ( 1963 ) formally proposed its adoption.

However, they will often use the same den as their mother until the next breeding season.

However, several telescope manufacturers have recently developed telescope systems that are calibrated with the use of built-in GPS, decreasing the time it takes to set up a telescope at the start of an observing session.

However, expressing these properties as axioms requires use of second-order logic.

However, the use of AU to refer to the astronomical unit is widespread.

However, commonly there are delays in regulatory and legislative actions to limit the use of antibacterials, attributable partly to resistance against such regulation by industries using or selling antibacterials, and to the time required for research to test causal links between antibacterial use and resistance.

However, the increasing prevalence of antibiotic-resistant bacterial infections seen in clinical practice stems from antibiotic use both within human medicine and veterinary medicine.

However, after the victorious Battle of Marathon in 490 BC, they decided to revise the plan and use marble instead.

However, careful design, testing, construction and use minimizes risks.

However, since Paul was from Cilicia and refers to himself using this name ( see Acts 21: 39, 22: 3 ), it seems very natural that the name Cilicia would have continued to be in colloquial use among its residents despite its hiatus in official Roman nomenclature.

However, exploring all n nodes of the tree in this manner would use each link exactly twice: one traversal to enter the subtree rooted at that node, and another to leave that node's subtree after having explored it.

However the original kit version lacked many features that prevented its use as a serious computer system.

However, the term came into wide use only after the publication of a review article by O. Jacobsen in the chemical dictionary of Albert Ladenburg in the 1880s.

However, the University of Washington was unwilling to let the fledgling league use Husky Stadium, probably due to the excessive wear and tear that would have caused to the facility's grass surface.

However most of his best prints are etchings, many of landscapes ; in these he was able most easily to use his drawing style.

However, with the use of cre-lox technology, a caspase 8 knock-out has been created that exhibits an increase in peripheral T cells, an impaired T cell response, and a defect in neural tube closure.

However, there is limited evidence that mistletoe's effects on the immune system help the body fight cancer .... At present, the use of mistletoe cannot be recommended outside the context of well-designed clinical trials.

However, air observers have been use since the beginning of indirect fire and were quickly joined by air photography.

However, for many acts the " off season " does not mean a period of inactivity, they use time for maintenance and practice.

However, as so many of the records are not certainly based on newborn snakes, these data must be taken tentatively ; ;

However, the proposed correlation of the many interrelated properties of crystals will reveal discrepancies in the recorded data and suggest areas for reinvestigation.

However, it would require all data transmission to send eight bits when seven could suffice.

However, when applied to data from non-randomized experiments or observational studies, model-based analysis lacks the warrant of randomization.

However, data from the National Statistical Service shows that there were only 65, 000 foreigners staying in Armenian hotels in 2009.

However, other geographers have had access to the same data since 2001, and a consensus has yet to emerge to support the claims of these Brazilian scientists.

However, an ADT may be implemented by specific data types or data structures, in many ways and in many programming languages ; or described in a formal specification language.

However the data on Cobb's caught stealing is missing from 12 seasons, strongly suggesting he was unsuccessful many more times than his stats indicate.

However, its primary use since at least the late 1980s has been to describe the application of computer science and information sciences to the analysis of biological data, particularly in those areas of genomics involving large-scale DNA sequencing.

However, Astbury did not have the necessary data on the bond geometry of the amino acids in order to build accurate models, especially since he did not then know that the peptide bond was planar.

However, the data he used originated back to epoch B1875. 0, which was when Benjamin A. Gould first made the proposal to designate boundaries for the celestial sphere, a suggestion upon which Delporte would base his work.

However, in the 1990s it rapidly became the dominant set of methods of phylogenetics in evolutionary biology, because computers made it possible to process large quantities of data about organisms and their characteristics.

However, the term is applied to multidimensional data as well as to univariate data and in situations where a transformation of the data values for some or all dimensions would usually be considered necessary: in the latter cases, the notion of a " central location " is retained in converting an " average " computed for the transformed data back to the original units.

However, according to 2005 data reported by the Colombian government, the road network totaled 163, 000 kilometers, 68 percent of which were paved and in good condition.

However, phthalocyanine is more sensitive than cyanine to writing laser power calibration, meaning that the power level used by the writing laser has to be more accurately adjusted for the disc in order to get a good recording ; this may erode the benefits of dye stability, as marginally written discs ( with higher correctable error rates ) will lose data ( i. e. have uncorrectable errors ) after less dye degradation than well written discs ( with lower correctable error rates ).

However it does not mean that the algorithm will converge rapidly to this solution, just that it won't diverge arbitrarily because of inaccuracy on the source data ( backward error ), provided that the forward error introduced by the algorithm does not diverge as well because of accumulating intermediate rounding errors.

However, the general definition of a file does not require that its instant size has any real meaning, unless the data within the file happens to correspond to data within a pool of persistent storage.

( However, with a program organizing disk storage on its own, all space could be used, e. g. for data disks.

However, the means to retrieve and analyze data, to extract, transform and load data, and to manage the data dictionary are also considered essential components of a data warehousing system.