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