PANEL SOLAR HEATER

1) How heat is being transfer to solar panel?

2) If PVC is use instead of using copper, what happen to the water?

the h

3) How to keep the water warm? Wrap it using heat insulator.

4)

MODIFICATION OF

HARVEST OIL PALM

MODIFICATION OF TOOLS TO HARVEST OIL PALM? DRAW AND LABEL..

1. stainless steel /aluminium – light /hard [ easier to harvest the oil palm and is durable ( not broken easier )

CHARACTERISTIC OF GOLD RING? (adding silver +copper)

1. malleable