Correct cohesiveness problems in the following text
Although spontaneous combustion has been said to occur with rags soaked in paint thinners, this is not true unless a drying oil is used as a thinner. Classical paint thinners do not include drying oils.
Although spontaneous combustion has been said to occur with rags soaked in paint thinners, this is not true unless a drying oil is used as a thinner. However, classical paint thinners do not include drying oils.