Rigid : Journal of Research and Inovation in Civil Engineering as Applied Science at  https://jurnal.politap.ac.id/index.php/rigid is a blind peer-reviewed journal dedicated to the publication of quality results of service in the multidisciplinary field of knowledge. Articles published in the RIGID journal include the results of original dedication (top priority), while for scientific review articles that are new (not a top priority) and also comments that are critical of the results of scientific writing published by the RIGID journal. All publications in the RIGID journal are open access which allows articles to be freely available online without any subscription.

Rigid : Journal of Research and Inovation in Civil Engineering as Applied Science with registration number ISSN (online) is a multidisciplinary scientific journal published by the Ketapang State Polytechnic Journal Manager. This journal aims to disseminate ideas from the results of community service that have been achieved through community service activities. Injection:Indonesian Journal of Vocational Mechanical Engineering is published 2 times a year, every February and August.

Articles published in the Injection  journal are articles that have been subject to a review process by peer-reviewers who are competent in the engineering fields. The final decision on scientific articles at Injection is the right of the Editorial Board on the recommendation of the peer-reviewers.