LOL.

O_O

1. micrometer screw gauge 2. lens - convex and concave 3. wave 4. electric 5. force, mass, velocity and momentum 6. wave 7. pressure 8. heat

zz refresh baru see. essay tips kena tepat lo~

means the structure also kena tepat lo?

basically ALL the chapters what .. no?

eh wave repeated o.o

micrometer screw gauge quite specific ma

that's all =.=

always ada that one de LOL

got .. momentum force all those ..

lol thanks...was really desperate for tips...

welcome