Je-Jireh Silva

farm tle calculation computer powerpoint ppt production estimation ppe personal protective equipment safe use of chemicals chemicals cleaning storing hard hat safety lesson 4 physical hazards phsycosocial psychosocial teacher tle7 tle8 fisheries agricultural farm tools bolo equipment implements tool irrigation basin plan sprinkler lay-out surface drip irrigation crop firewire memory rom screw flat screw philip's screw tools hex driver tweezer cutter needle-nose plier esd electro-static static electricity maintenance gsc sped is sped visual aid psychology chemical hazards biology biological biological hazard #ict hardware servicing services binary convertion perform mensuration optical magnetic bit byte electronic storage booting