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 the cementation process was not abandoned and as late as the early 19th century there are descriptions of solid state cementation in a domed furnace at around 900 – 950 ° C and lasting up to 10 hours.

However, not all substances or chemical compounds consist of discrete molecules, and indeed most of the solid substances that makes up the solid crust, mantle, and core of the Earth are chemical compounds without molecules.

However, Charlton failed to build on this achievement and Curbishley left two years afterwards in 2006, after 15 years as manager, with the club still established as a solid mid table side.

However, certain problems such as those involving solid boundaries, may require that the viscosity be included.

However, the term glass is often used to describe any amorphous solid that exhibits a glass transition temperature T < sub > g </ sub >.

However, some ionic compounds can conduct electricity when solid.

" However, five experts testified on behalf of Thomas that AIDS is not transmitted through casual contact, and the court affirmed the " solid science " ( as Mr. Huber called it ) and rejected Dr. Armentrout's argument.

However, it is not vertex-transitive, as it has different isometry at different vertices, making it a Johnson solid rather than an Archimedean solid.

However, the saddle patches of transients are solid and uniformly gray.

However, a transverse wave apparently required the propagating medium to behave as a solid, as opposed to a gas or fluid.

However, the majority of familiar solid substances on Earth, including most of the minerals that make up the crust, mantle, and core of the Earth, contain many chemical bonds, but are not made of identifiable molecules.

However, in an underground oil reservoir the proportions of gas, liquid, and solid depend on subsurface conditions and on the phase diagram of the petroleum mixture.

However, as already mentioned in the original paper of Franz Wegner, a solid state theorist who introduced 1971 simple gauge invariant lattice models, the high-temperature behaviour of the original model, e. g. the strong decay of correlations at large distances, corresponds to the low-temperature behaviour of the ( usually ordered!

However, the Giants would rebound and put out a solid effort all season long, culminating with a division title and the best record in the Major Leagues.

However, the element that the club continued to lack was a solid pitching staff, whose combined ERA ranked 9th in the A. L.

However, small clusters do not exhibit sharp first order phase transitions such as melting, and at the boundary it is not possible to completely categorize the cluster as a liquid or solid, since these concepts are ( without extra definitions ) only applicable to macroscopic systems.

However, a smooth solid copper shield would be heavy, inflexible, and expensive.

However, these are still designed to be as solid as more natural obstacles.

However, the pressure cooker should never be filled to more than its interior height with solid food, full for liquids and foods that foam and froth ( e. g., rice, pasta ), and no more than full for pulses ( e. g. lentils ).

However, this only accounts for those with school uniform policies, and not for standardized dress codes, which still provide for allowable student dress but are slightly more lax on certain aspects, for instance, instead of requiring everyone to wear exactly the same shirt, or set of shirts, they may specify " any solid collared three button Polo / oxford shirt " and leave more specific details up to the parents.

However, gunpowder smoke and the solid residues are basic, and as such the net effect of fireworks on acid rain is debatable.

However, this meant the club achieved a solid mid-table finish in 14th position.