The overall rate of usage of services is generally difficult to establish, due to changing environment, difficulties in monitoring, follow up and population flows.
The finding that baseline caries was predicted in the order of a few plaque bacteria > 45 diet variables > a few salivary proteins and electrolytes agrees with lactobacilli and mutans streptococci as markers of an acidified plaque environment, difficulties in recording dietary factors and the need for improved saliva factors in future multimarkers.
By the age of three, the signs of autism infrequent eye contact, over-sensitivity or under-sensitivity to the environment, difficulty mixing with others are in full force.
When listening to music in a high-noise environment, difficulty in hearing the music and the presence of ambient noise can decrease the level of enjoyment.
Furthermore, adapting to a new environment, difficulty finding a suitable job or earning a living abroad can be very challenging.
However, because of their sensitivity to the magnetic fields, inadequate long-term durability especially in harsh environments, difficulties in installation on existing structures, and maintenance cost, installation of strain gauges is not always possible for all structural components.
Despite measurements carried out in a hostile environment and difficulties in obtaining accurate knowledge of parameters such as friction, driven torque and relative pressure, the predicted and measured results are in good agreement, particularly those concerning the start-up and steady state motions.
As the families in this study describe, this environment creates difficulties for individuals attempting change.
CLA can become endemic in a herd or flock and once established it is difficult to eradicate due to its poor response to therapeutics, ability to persist in the environment and difficulties in detecting subclinical infected animals [ 1– 3].
Among the others, providing reliability of such environments poses difficulties and affects their usability.
Although, economically, there are many technological opportunities available, the Dutch built environment has difficulty to harvest this potential.
