PLANNED MAINTENANCE
\plˈand mˈe͡ɪntənəns], \plˈand mˈeɪntənəns], \p_l_ˈa_n_d m_ˈeɪ_n_t_ə_n_ə_n_s]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.