검색어: pengenalan kerja kayu (말레이어 - 영어)

kerja kayu
wood work

kerja kayu balak
log camp

contoh kerja kayu politeknik
wood working example polytechnic

manusia mempunyai sejarah yang panjang dalam pembinaan dan kejuruteraan. zaman batu baru ialah zaman apabila alat primitif pertama digunakan. fungsi asas seperti memotong, mengikis dan menumbuk ditemui. dengan zaman tembaga dan gangsa, roda telah diperkenalkan dan ini membolehkan pembinaan untuk maju. alat menjadi lebih tepat dan tahan lama juga. besi banyak digunakan semasa zaman besi dan alat yang baru dibangunkan digunakan untuk menambah baik kerja kayu. adalah dipercayai bahawa penggelek dan sle
mankind has a long history in construction and engineering. the new stone age was the period when the first primitive tools were used. the basic functions like cutting, scraping and pounding were discovered. with the copper and the bronze ages, the wheel was introduced and this allowed construction to advance. tools became more precise and durable as well. iron was largely used during the iron age and the newly developed tools were used to improve woodworking. it is believed that rollers and sle