Steel and elastomer assembly that has a central through-passage equal to or greater in diameter than the riser bore and that may be positioned in the riser string to reduce local bending stresses.
The Mazatec people are an indigenous people who inhabit an area known as the Sierra Mazateca in the state of Oaxaca in southern Mexico, as well as some communities in the adjacent states of Puebla and Veracruz.
Mestizos in Mexico. Mestizo Mexicans are Mexican people of mixed descent. Their ancestry is primarily the result of admixture between the indigenous people of Mexico and Europeans, and also, to a lesser extent, Africans and Asians.