Erillaisia porrastuksia

Normaaliporrastus:

https://www.google.com/search?q=normaali+porrastus+leikkaus&sxsrf=ACYBGNQRAi_jNt8ZvugxQJ9mBJrvtarPww:1568463584422&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi_lauWptDkAhVw_SoKHQKrDyUQ_AUIEigB&biw=1536&bih=754&dpr=1.25#imgrc=esgcmZx9_yIEDM:

https://www.google.com/search?q=normaali+porrastus+leikkaus&sxsrf=ACYBGNQRAi_jNt8ZvugxQJ9mBJrvtarPww:1568463584422&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi_lauWptDkAhVw_SoKHQKrDyUQ_AUIEigB&biw=1536&bih=754&dpr=1.25#imgrc=KfxoxL5H91wJIM:

Matalaporrastus:

https://www.google.com/search?biw=1536&bih=754&tbm=isch&sxsrf=ACYBGNRfRCjRyEeCg_odALq67MJrXZmtIA%3A1568463586720&sa=1&ei=4tp8XaLPK4mtrgSq7ZSoDQ&q=matala+porrastus+leikkaus&oq=matala+porrastus+leikkaus&gs_l=i#imgrc=D59aRkZNiOGadM:

https://www.google.com/search?biw=1536&bih=754&tbm=isch&sxsrf=ACYBGNRfRCjRyEeCg_odALq67MJrXZmtIA%3A1568463586720&sa=1&ei=4tp8XaLPK4mtrgSq7ZSoDQ&q=matala+porrastus+leikkaus&oq=matala+porrastus+leikkaus&gs_l=img.3...202853.205526..206162...0.0..0.179.1568.5j9......0....1..gws-wiz-img.......0j0i10i24.91QEN1WR90Y&ved=0ahUKEwiiyLeXptDkAhWJlosKHao2BdUQ4dUDCAc&uact=5#imgrc=pp0ZGcfQ6vaToM:

Korkeaporrastus:

https://www.google.com/search?biw=1536&bih=754&tbm=isch&sxsrf=ACYBGNSzR0ivS4-NUzNtpilTAXkTcSI-Lw%3A1568463793629&sa=1&ei=sdt8XfGFJuasrgS8ypq4CQ&q=korkea+porrastus+leikkaus&oq=korkea+porrastus+leikkaus&gs_l=img.3...149467.152259..153904...0.0..0.1229.2934.1j8j0j1j7-1......0....1..gws-wiz-img.......0j0i10i24.GH6skyS6eFk&ved=0ahUKEwixooz6ptDkAhVmlosKHTylBpcQ4dUDCAc&uact=5#imgrc=io-bhA5aEfIPoM: