health hazardstennis de tablecolletoxicologieObjective. - Racquets used in table tennis are composed of rubber-covered coatings which can be changed when damaged: they are unglued and new ones are pasted in place. The present survey documents the health risk presented to ''clean'' glue by a ...
aI have a best friend called Tom. He is tall with big nose. He likes playing basketball and table tennis. He is good at swimming,too. He is kind and friendly. He is always ready to help others. So he can always get on well with us. He is interested in playing chess. When he is...