Tractate Machshirn deals with the rules of rendering foods susceptible to tumah. Tractate Zavim deals with tumah resulting from seminal discharge. This volume includes the Hebrew text of the commentary of R'Ovadya of Bertinoro.
The ArtScroll Mishnah Series with commentary Yad Avraham brings the text to life as it is developed and clarified by contending minds in the study hall. The commentators infer and prove, the Gemara interprets and enlightens, nuances of classic Talmudic discussion and exegesis are brought out.