যেকোনো শব্দ খুঁজুন, যেমনঃ fleek:
 
1.
a start up culture for most composts and a member of the mushroom family, can also be used to aid anerobic digestion tanks for the use of creating methane gas. An eco friendly energy producer.
Alarik is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen, used for industrial or domestic purposes to manage waste and/or to release energy
লিখেছেন- sazlemcfun 13 de ডিসেম্বার de 2010