([tag=NN] | [tag=IN] [□=□]) □
([tag=NN] | [tag=IN] [lemma=□]) □
([tag=NN] | [tag=IN] [tag=□]) □
Because it is not always possible to fix the occupancy of a room or space or anticipate its use by a person with a hearing impairment , visual alarms are required in every common use room or space in facilities equipped with an emergency alarm system . While the safety of dental amalgam has been the subject of a number of previous publications , expert panel meetings and national and international conferences , the two new clinical trials are the first to compare overall health effects in children treated with amalgam restorations and children treated with composite , non-amalgam restorative materials . He sees African dependence on aid and foreign intervention as a major barrier to the continent being taken seriously in the world of economics and politics , and sees structures like NEPAD and the AU as part of a process in which Africa solves its own problems without relying on outside assistance . In common with many other monumental structures from antiquity , the Great Pyramid has over time been the subject of a great number of speculative or alternative theories , which put forward a variety of explanations about its origins , dating , construction and purpose . Generally , changes in these constitutions require the agreement of a supermajority of the elected representatives , or require a judge and jury to agree that evidentiary and procedural standards have been fulfilled by the state , or two different votes by the representatives separated by an election , or , sometimes , a referendum . Marlino drew parallels with the Lewis and Clark expedition , which was also the subject of a special exhibit at the Denver Museum of Nature and Science , the venue for the conference banquet . Since employers must provide a reasonable accommodation to an applicant or employee with a disability , commercial facilities that are not places of public accommodation need not make general accessibility improvements to existing facilities until planned alterations or additions provide an opportunity to do so . Particle Physics programme , its funding should not be reviewed in direct competition with the Universities , however its funding must be tensioned against the rest of the programme ; the mechanism for determining the appropriate level of funding for PPD should be the subject of a supplementary report .