Proses pengerjaan batu permata ini ada tiga tahapan yaitu proses pemotongan, prosespembentukan dan proses penghalusan.Pada proses pemotongan, bahan baku yang semulamasih berbentuk bongkahan batu baik batu pirus, batu akik, batu kecubung, dan semacamnyadipotong-potong menjadi bagian kecil dengan teknik tertentu dengan menggunakan gerindapotong.Selan
Identifying possibilities to increase the performance of photovoltaic cells is a priority for the energy field.This article presents preliminary results obtained in natural environment conditions with an experimental device that allows the cooling of photovoltaic cells and additionally the Cleansing balm partial transformation of the heat transferr
We present an empirical test of a new measure to classify organizations according to the tangibility of Books product (output) flows delivered to customers.Our measure exhibits the empirical consequences of using standard industrial classifications to assume that firms within the same industry either share identical properties or sell homogeneous p
Several researchers have reported the prospects of biofuel commercialization in several countries across theglobe.With over 400 million tons of biomass and 150 million tons of agro-waste produced annually in mostdeveloping countries, the prospect of biofuel commercialization looks promising.However, it is crucial to adopta forward-thinking approach
The ice-phobic and transparent surface based on the distinctive structure of a coating material has been investigated.Moth eye structure fabricated on Dryer Cutout Thermostat the quartz substrate was covered with a flat paraffin layer to isolate it in a cold and humid environment.Paraffin wax was chosen as the coating material due to low thermal co