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