Question:
a) (i) What are the main physical properties of lead?
(ii) How is lead toxic to man?
(iii) How is lead absorbed and what is is the most important route of occupational exposure?
(iv) State 5 health effects of exposure to lead.
(v) In which specific occupations can workers be exposed to lead?
b) Differentiate between ‘respirable dust' and' inhalable dust'?
c) Explain briefly the importance of material safety data sheet.