Spent oil sometimes referred to as waste engine oil is produced from automobile mechanic shops and mechanical or electrical engine repairers’ shops (Anoliefo and Vwioko, 2001) after servicing...
Excerpt from the Study
Internal combustion engine lubricants supposed to be eco-friendly. Their production and use should not have any threat to the environment and the users. However, production, use and unsafe disposal of lubricants such as engine oils for internal co...
ABSTRACT
Online examination systems are being used by an ever-increasing number of institutions to help reduce time deficiency, cost, exam malpractices such as impersonation and other unethical exam-related exercises that take place in most independent...
ABSTRACT
Used crankcase oil is disposed off indiscriminately and it eventually finds its way into the aquatic environment resulting in surface and ground water contamination by complex interacting chemicals and substances. Polycyclic aromatic hydrocarbons (PAHs), heavy metals, additives...