Iimveliso

Iiyunithi zeebhereyitha zebhola zepillow block zenziwe ngebhereyitha efakwe kwi-cast iron housing enokubotshelelwa kumphezulu oxhasayo. Ulwakhiwo lwangaphakathi lwebhereyitha yebhola efakiweyo lufana nolwebhereyitha yebhola enzulu. Kodwa ugqatso lwangaphakathi lwale bereyitha lubanzi kunogqatso lwangaphandle. Ugqatso lwangaphandle lunomphezulu ongqukuva. Iibhereyitha zebhola ezifakiweyo zinokuzilungelelanisa ngokwazo nokulingana phakathi kogqatso lwangaphandle kunye nebhereyitha. Iibhereyitha zebhola ezifakiweyo zincinci.'Kulula ukulayisha nokukhupha impahla.