If the noise is lower, the AC service may be the cause. Magnetic fields from transformers can cause humming. Mains transformers typically cause an AC magnetic field around them. This magnetic field can be copled to wiring, electronics or signal transformers and cause humming.
Baby oil can be used for removing makeup. Pour a few drops of it on a cotton ball and gently wipe the makeup off your face. Rinse your hands, face with cold water, and dry the skin using a soft towel. Baby oil removes all of the makeup without harming your skin.
To dream of noticing oil represents the need to conduct things in a far better fashion. This may also suggest a need to be more loving and compassionate in your life. To see some baby oil in your dream stands for the occasional yearning to comfort and pacify the child within. On the other hand, to see crude oil in your dream symbolizes grand riches and treasures. This may also be treated as a reminder of your need for increased social activities.