roller bearings operating under high temperature situations, and offers long-term (lifetime) lubrication under extreme operating conditions. pds marfak® marfak and marfak are proven performance fibrous sodium soap greases. their fibrous content offers protection from contaminants such as dust and dirt by...
between the new and old manhole pipes are filled with either sand or concrete. using this method, the diameter of a manhole becomes smaller. . gunite technology using special mixes, existing manholes can be lined from inside. this method presupposes that the structural part of a manhole has been preserved...
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dicted to date. in the schmack brothers constructed the first biogas plant on their par- ents' farm. it had an electrical output of kw. and the idea for a business was born. today schmack biogas ag is among the pi- oneers of the german biogas industry. sch- mack biogas is a turnkey supplier of bio- gas...
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