Funding for this research was provided by:
National Research Foundation (UID-105591 and UID-109815)
Council for Scientific and Industrial Research, South Africa (Biocomposite for mass transit project grant)
Article History
Received: 13 August 2020
Accepted: 21 October 2020
First Online: 9 November 2020
Compliance with ethical standards
:
: The author(s) declare no potential conflicts of interest/competing interests with respect to the research, authorship, and/or publication of this article.
: The article does not contain any studies with human or animal subjects performed by the any of the authors.
: Informed consent was not required for this type of study.