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Description
Nowadays, solar technology is one of the new technologies that produce electricity. There are various types of solar systems used in housing and industry such as Off-grid system, on-grid system, hybrid system and so on to generate electricity. One…
Classification
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Description
The idea to invent this product is inspired from the problem of wearing songkok for a long period. Normally, after we wear songkok for a certain period, the area inside songkok becomes humid and hot and this will make the head feel itchy and… Classification
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