triturar

En el tiempo antiguo el carbón trituraban por los dedos y frotaban en los dientes, blanqueándolos.	In old times coal was pounded fingers and rubbed in teeth, bleaching them.
Los granos de este cereal se tostaban en cazuelas de barro y después se trituraban hasta convertirlo en gofio.	This cereal's grains were roasted in casseroles and later ground to make gofio.
Los primeros molinos consistían, en esencia, en dos pequeñas piedras que trituraban el trigo, movidas por fuerza animal.	The first mills were basically two small rocks which ground the wheat, powered by animal strength.
Los huesos que no se habían calcinado se trituraban en máquinas especiales y se mezclaban con estiércol para fabricar fertilizantes.	The bones which had not been calcinated were crushed in special machines and mixed with manure for the preparation of fertilisers.
Tenían una paleta limitada a seis colores aproximadamente, y utilizaban los minerales que tenían más próximos, los cuales trituraban o sintetizaban.	The palette was limited to approximately six colours and artists used the minerals to which they had easiest access, which they ground or synthesised.
La opinión más generalizada parece apuntar a que lo trituraban tal como hacían con los cereales, lo mezclaban con agua y formaban una especie de pasta que luego cocían.	The most general opinion seems to suggest that they crushed it as they did with the grain, mix it with water and formed a sort of dough, that later was baked.
Esparcidas por la sierra, y esporádicamente en el oeste litoral, se ven ruinas de estos molinos, antaño provistos de velas de lona y muelas que trituraban el maíz y el trigo con el que se hacía el pan.	Widespread throughout the mountains, and occasionally on the western coastal regions are many ruins of windmills, which in former times had canvas sails, and ground corn and wheat with great millstones for bread making.
Los aborígenes se reunieron los granos de cereales silvestres, como la cebada y el trigo, que estaban asando y trituraban en morteros de piedra excavadas en forma de vasija, y se muelen en molinos de mano constan de dos piedras convirtiendo en uno otro.	Aborigines gathered wild cereal grains such as barley and wheat, they were roasting and concassaient in stone mortars dug shaped vessel, and grind in hand mills consist of two stones turning one on the other.
Las mujeres cantaban mientras trituraban granos en molinos manuales de piedra hasta que, también en esa misma década, se introdujeron los molinos impulsados por un generador diesel.	Women sang while grinding grain on stone hand mills until diesel-generated mills were introduced, also in the 1970s.
En las ceremonias tradicionales Mazatecas, se trituraban las hojas hasta obtener una pasta fina, que después se infundía en un líquido para su consumo.	In traditional Mazatec ceremonies, the leaves were ground into a fine pulp, which was then infused into a liquid for consumption.
Los perros de la granja y los del aduar, azuzados a campo traviesa, lanzábanse sobre ellos y los trituraban furiosos.	The farm dogs, and some from the caves, were released onto the fields, and fell amongst them crunching them in a frenzy.
Las mujeres cantaban mientras trituraban granos en molinos manuales de piedra hasta que, también en esa misma década, se introdujeron los molinos impulsados por un generador diesel.	Women sang while grinding grain on stone hand mills until diesel-generated mills were introduced, also in the 1970s. Currently, women and men sing songs for family members who are absent on pilgrimage to Mecca.