This study aims to identify and analyze the marketing strategy of koi fish in ulate a marketing strategy using the koi fish marketing mix. Fara Koi Business Unit Farm and form The method used in this research is the descriptive method. The location of the research was done at Fara Koi Business Unit Farm, Sumberdodol Village, District of Panekan, Magetan Regency. The results showed that Fara Koi Business Unit Farm has implemented a marketing mix strategy well, each variable can be explained in detail. In products, the business unit has implemented product quality dimensions well, such as guaranteed fish quality, varied types, and sizes of koi fish, and product guarantees, as well as service or service. The price set by the business unit is lower than that of koi fish of the same quality on the market. The business unit's current target consumers are resellers, hobbies, and plasma farmers. Each target has a different price of each. There are two distribution channels carried out by the business unit, namely direct and indirect. The location of the business unit is not strategic. Promotions that have been carried out by the business unit have three aspects, namely advertising, sales promotion, and personal selling. Meanwhile, for each strategy made in between, namely, the addition of production capacity to meet consumer needs. Discounts for repeat customers. Promotion optimization by creating a special promotion division in the business unit organization

This study aims to analyze the effect of implementing preventive maintenance on increasing production productivity in a fish canning company in East Java. This study uses a quantitative method, namely the method used to examine certain populations or samples with data collection techniques carried out through observation and the results of questionnaire answers that have been filled out by employees in the production and engineering departments. The population used in this study is the production machines used to carry out the production process with the samples used, namely production machines of 30 units. Data analysis in this study used SPSS software by conducting hypothesis testing which consisted of a coefficient of determination test (R-square) and a partial t test. Based on the results of the analysis of the calculation of the hypothesis, the t-count value of 10,624 is greater than the t-table value, which is 1,701 and the significance value obtained is less than 0.05, which means that the application of preventive maintenance on production machines has a positive and significant effect on increasing production productivity, while the R-square value obtained is 0.885 which states that the variable of applying preventive maintenance has an effect on increasing production productivity by 88.50% and the remaining 11.50% is influenced by other variables.

Kelebihan dari generator bebas energi adalah dapat menghasilkan energi listrik tanpa penggunaan bahan bakar sehingga cocok digunakan di tambak. Generator bebas energi dirancang dengan menggunakan motor listrik dengan daya 1,5 HP dan kecepatan putaran 1480 rpm, generator listrik dengan daya 3 KW dan kecepatan putaran 1500 rpm, dan flywheel dengan massa 36 kg dan diameter 40,6 cm. Hasil pengujian menunjukkan generator dapat menghasilkan tegangan 230 V dengan menggunakan diameter pulley pada flywheel sebesar 12,5 cm, momen inersia yang dihasilkan sebesar 0,74 kg.m2, energi kinetik sebesar 8889,25 Joule, dan daya listrik sebesar 2,4 KW dalam kondisi stabil atau tanpa perubahan.