A) true B) false
A) True B) False
A) complex machines B) properties of materials C) green materials
A) complex machines B) simple machines
A) false B) true
A) plastic B) bamboo C) versatile D) aluminium
A) cloth,furniture, cloth,metals B) bulding,cloth,food,steel C) food,furniture,construction,cloth
A) work B) wheel C) human energy D) jobs
A) complex machine B) simple machine
A) simple machine B) complex machine
A) politja B) pla inclinat C) palanca |