Vol. 4 No. 2 (2022)
This issue contains 8 original articles from engineering field. The articles are coming from the research field of mechanical and industrial engineering, civil and geophysics engineering, informatics and electrical engineering, chemical engineering. We believe this issue, and forward, JESR will contribute in scientific and technology world as well as engineering development and needs. During the processing of the publications, we received tremendous supports from reviewers and all contributors, in which we expressed our appreciation and grateful. We do hope this issue will provide some significant for the readers.