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