The phrase "and levels of material" is correct and usable in written English.
It can be used when discussing different types or quantities of materials in a specific context, such as education, construction, or research.
Example: "The study examined the effects of various teaching methods and levels of material on student engagement."
Alternatives: "and types of material" or "and quantities of material".
There is little empirical evidence in support of a relationship between rates of influenza infection and level of material deprivation (i.e., lack of access to goods and services) and social deprivation (i.e. lack of social cohesion and support).
The basic motivation behind the proclamation of the International Decade for Natural Disaster Reduction (IDNDR) (1990 1999) was, and still remains, the unacceptable and rising levels of material and mortality losses that disasters continue to inflict when there exists a wealth of scientific and engineering know-how that could be effectively used to reduce disaster impacts.
I recall that a year ago, Madeira was struck by a major disaster which resulted in fatalities and high levels of material damage to strategic infrastructures and basic equipment.
The high post-war levels of economic growth, together with low population growth rates, have resulted in high and growing levels of material prosperity for the majority and the provision of safety nets for the vulnerable.
10 volunteer general practitioner's (GP) practices in Stoke on Trent, UK, with poor health and high levels of material deprivation took part.
The higher detection rate and levels of PLAP-like material in neoplastic cultures when measured by the IRMA clearly demonstrate ectopic expression of non-enzymatic PLAP and PLAP-like genes.
Our approach has the main advantage that the same set of target variables is used to evaluate the effect that varying plant species richness has on temporal stability for different ecological functions and levels of organization (see Materials and Methods).
It is a strength of the study that the majority of participants had no formal qualifications, had been in skilled or semi-skilled but not managerial or professional occupations, were judged to have poor social capital and moderate to high levels of material deprivation, and were considered disadvantaged in terms of frequency of contact with others.
"It is by far the most comprehensive in its detail and level of source material," said Rabbi Irving Greenberg, chairman of the United States Holocaust Memorial Museum, which will be selling the work.
Because of already-existing hardships, it may be difficult for families to devote significant time to helping with CHW and household tasks and to sustain certain levels of material or financial support to facilitate a CHW's volunteerism.
